diff --git a/.github/workflows/proto.yml b/.github/workflows/proto.yml
index 3302e6edc82d..d11a355bc546 100644
--- a/.github/workflows/proto.yml
+++ b/.github/workflows/proto.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@v4
-      - uses: bufbuild/buf-setup-action@v1.35.0
+      - uses: bufbuild/buf-setup-action@v1.35.1
       - uses: bufbuild/buf-lint-action@v1
         with:
           input: "proto"
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: bufbuild/buf-setup-action@v1.35.0
+      - uses: bufbuild/buf-setup-action@v1.35.1
       - uses: bufbuild/buf-breaking-action@v1
         with:
           input: "proto"
diff --git a/.github/workflows/sims-052.yml b/.github/workflows/sims-052.yml
index e79a04786098..b64d6332b76f 100644
--- a/.github/workflows/sims-052.yml
+++ b/.github/workflows/sims-052.yml
@@ -13,7 +13,9 @@ concurrency:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    permissions:
+      contents: read # for actions/checkout to fetch code
+    runs-on: large-sdk-runner
     if: "!contains(github.event.head_commit.message, 'skip-sims')"
     steps:
       - uses: actions/checkout@v4
@@ -25,26 +27,9 @@ jobs:
           check-latest: true
       - run: make build
 
-  install-runsim:
-    permissions:
-      contents: none
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.22"
-          check-latest: true
-      - name: Install runsim
-        run: go install github.com/cosmos/tools/cmd/runsim@v1.0.0
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
-
   test-sim-import-export:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+    runs-on: large-sdk-runner
+    needs: [build]
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
@@ -54,17 +39,14 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
       - name: test-sim-import-export
         run: |
           make test-sim-import-export
 
   test-sim-after-import:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
         with:
@@ -73,17 +55,14 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
-        with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
       - name: test-sim-after-import
         run: |
           make test-sim-after-import
 
-  test-sim-multi-seed-short:
-    runs-on: ubuntu-latest
-    needs: [build, install-runsim]
+  test-sim-deterministic:
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4
         with:
@@ -92,10 +71,22 @@ jobs:
         with:
           go-version: "1.22"
           check-latest: true
-      - uses: actions/cache@v4
+      - name: test-sim-nondeterminism-streaming
+        run: |
+          make test-sim-nondeterminism-streaming
+
+  test-sim-multi-seed-short:
+    runs-on: large-sdk-runner
+    needs: [build]
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: "release/v0.52.x"
+      - uses: actions/setup-go@v5
         with:
-          path: ~/go/bin
-          key: ${{ runner.os }}-go-runsim-binary
+          go-version: "1.22"
+          check-latest: true
       - name: test-sim-multi-seed-short
         run: |
           make test-sim-multi-seed-short
@@ -103,7 +94,7 @@ jobs:
   sims-notify-success:
     needs:
       [test-sim-multi-seed-short, test-sim-after-import, test-sim-import-export]
-    runs-on: ubuntu-latest
+    runs-on: large-sdk-runner
     if: ${{ success() }}
     steps:
       - uses: actions/checkout@v4
@@ -130,7 +121,7 @@ jobs:
       contents: none
     needs:
       [test-sim-multi-seed-short, test-sim-after-import, test-sim-import-export]
-    runs-on: ubuntu-latest
+    runs-on: large-sdk-runner
     if: ${{ failure() }}
     steps:
       - name: Notify Slack on failure
diff --git a/baseapp/grpcrouter_helpers.go b/baseapp/grpcrouter_helpers.go
index e629be06cb63..907cef764a86 100644
--- a/baseapp/grpcrouter_helpers.go
+++ b/baseapp/grpcrouter_helpers.go
@@ -2,6 +2,7 @@ package baseapp
 
 import (
 	gocontext "context"
+	"errors"
 	"fmt"
 
 	abci "github.com/cometbft/cometbft/api/cometbft/abci/v1"
@@ -60,5 +61,5 @@ func (q *QueryServiceTestHelper) Invoke(_ gocontext.Context, method string, args
 
 // NewStream implements the grpc ClientConn.NewStream method
 func (q *QueryServiceTestHelper) NewStream(gocontext.Context, *grpc.StreamDesc, string, ...grpc.CallOption) (grpc.ClientStream, error) {
-	return nil, fmt.Errorf("not supported")
+	return nil, errors.New("not supported")
 }
diff --git a/client/cmd.go b/client/cmd.go
index c5b40774d9e4..7ea1f49e0942 100644
--- a/client/cmd.go
+++ b/client/cmd.go
@@ -290,7 +290,7 @@ func readTxCommandFlags(clientCtx Context, flagSet *pflag.FlagSet) (Context, err
 
 		if keyType == keyring.TypeLedger && clientCtx.SignModeStr == flags.SignModeTextual {
 			if !slices.Contains(clientCtx.TxConfig.SignModeHandler().SupportedModes(), signingv1beta1.SignMode_SIGN_MODE_TEXTUAL) {
-				return clientCtx, fmt.Errorf("SIGN_MODE_TEXTUAL is not available")
+				return clientCtx, errors.New("SIGN_MODE_TEXTUAL is not available")
 			}
 		}
 
diff --git a/client/grpc_query.go b/client/grpc_query.go
index 45f60e48d2de..df6ac284f434 100644
--- a/client/grpc_query.go
+++ b/client/grpc_query.go
@@ -2,7 +2,7 @@ package client
 
 import (
 	gocontext "context"
-	"fmt"
+	"errors"
 	"reflect"
 	"strconv"
 
@@ -123,7 +123,7 @@ func (ctx Context) Invoke(grpcCtx gocontext.Context, method string, req, reply i
 
 // NewStream implements the grpc ClientConn.NewStream method
 func (Context) NewStream(gocontext.Context, *grpc.StreamDesc, string, ...grpc.CallOption) (grpc.ClientStream, error) {
-	return nil, fmt.Errorf("streaming rpc not supported")
+	return nil, errors.New("streaming rpc not supported")
 }
 
 // gRPCCodec checks if Context's Codec is codec.GRPCCodecProvider
diff --git a/client/snapshot/load.go b/client/snapshot/load.go
index b64f2eac860d..657929b44104 100644
--- a/client/snapshot/load.go
+++ b/client/snapshot/load.go
@@ -102,12 +102,12 @@ func LoadArchiveCmd() *cobra.Command {
 
 			savedSnapshot := <-quitChan
 			if savedSnapshot == nil {
-				return fmt.Errorf("failed to save snapshot")
+				return errors.New("failed to save snapshot")
 			}
 
 			if !reflect.DeepEqual(&snapshot, savedSnapshot) {
 				_ = snapshotStore.Delete(snapshot.Height, snapshot.Format)
-				return fmt.Errorf("invalid archive, the saved snapshot is not equal to the original one")
+				return errors.New("invalid archive, the saved snapshot is not equal to the original one")
 			}
 
 			return nil
diff --git a/client/tx/factory.go b/client/tx/factory.go
index 598d389d5f40..625fa975b2f3 100644
--- a/client/tx/factory.go
+++ b/client/tx/factory.go
@@ -441,7 +441,7 @@ func (f Factory) BuildSimTx(msgs ...sdk.Msg) ([]byte, error) {
 
 	encoder := f.txConfig.TxEncoder()
 	if encoder == nil {
-		return nil, fmt.Errorf("cannot simulate tx: tx encoder is nil")
+		return nil, errors.New("cannot simulate tx: tx encoder is nil")
 	}
 
 	return encoder(txb.GetTx())
diff --git a/client/tx/tx_test.go b/client/tx/tx_test.go
index 77cd0401e520..fd81ee79e26d 100644
--- a/client/tx/tx_test.go
+++ b/client/tx/tx_test.go
@@ -2,6 +2,7 @@ package tx
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 	"testing"
@@ -44,7 +45,7 @@ type mockContext struct {
 
 func (m mockContext) Invoke(_ context.Context, _ string, _, reply interface{}, _ ...grpc.CallOption) (err error) {
 	if m.wantErr {
-		return fmt.Errorf("mock err")
+		return errors.New("mock err")
 	}
 
 	*(reply.(*txtypes.SimulateResponse)) = txtypes.SimulateResponse{
diff --git a/client/v2/autocli/flag/coin.go b/client/v2/autocli/flag/coin.go
index 6ed842a34a93..f317d8585776 100644
--- a/client/v2/autocli/flag/coin.go
+++ b/client/v2/autocli/flag/coin.go
@@ -2,7 +2,7 @@ package flag
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strings"
 
 	"google.golang.org/protobuf/reflect/protoreflect"
@@ -38,7 +38,7 @@ func (c *coinValue) String() string {
 
 func (c *coinValue) Set(stringValue string) error {
 	if strings.Contains(stringValue, ",") {
-		return fmt.Errorf("coin flag must be a single coin, specific multiple coins with multiple flags or spaces")
+		return errors.New("coin flag must be a single coin, specific multiple coins with multiple flags or spaces")
 	}
 
 	coin, err := coins.ParseCoin(stringValue)
diff --git a/client/v2/internal/coins/format.go b/client/v2/internal/coins/format.go
index 1c84fe9beab9..c447040c2456 100644
--- a/client/v2/internal/coins/format.go
+++ b/client/v2/internal/coins/format.go
@@ -1,7 +1,7 @@
 package coins
 
 import (
-	"fmt"
+	"errors"
 	"regexp"
 	"strings"
 
@@ -19,13 +19,13 @@ func ParseCoin(input string) (*basev1beta1.Coin, error) {
 	input = strings.TrimSpace(input)
 
 	if input == "" {
-		return nil, fmt.Errorf("empty input when parsing coin")
+		return nil, errors.New("empty input when parsing coin")
 	}
 
 	matches := coinRegex.FindStringSubmatch(input)
 
 	if len(matches) == 0 {
-		return nil, fmt.Errorf("invalid input format")
+		return nil, errors.New("invalid input format")
 	}
 
 	return &basev1beta1.Coin{
diff --git a/client/v2/internal/prompt/validation.go b/client/v2/internal/prompt/validation.go
index 8a6e5a2d334f..d914999f214d 100644
--- a/client/v2/internal/prompt/validation.go
+++ b/client/v2/internal/prompt/validation.go
@@ -1,6 +1,7 @@
 package prompt
 
 import (
+	"errors"
 	"fmt"
 	"net/url"
 
@@ -10,7 +11,7 @@ import (
 // ValidatePromptNotEmpty validates that the input is not empty.
 func ValidatePromptNotEmpty(input string) error {
 	if input == "" {
-		return fmt.Errorf("input cannot be empty")
+		return errors.New("input cannot be empty")
 	}
 
 	return nil
diff --git a/client/v2/offchain/verify.go b/client/v2/offchain/verify.go
index 303a086022a7..8b9580d63235 100644
--- a/client/v2/offchain/verify.go
+++ b/client/v2/offchain/verify.go
@@ -123,7 +123,7 @@ func verifySignature(
 			return err
 		}
 		if !pubKey.VerifySignature(signBytes, data.Signature) {
-			return fmt.Errorf("unable to verify single signer signature")
+			return errors.New("unable to verify single signer signature")
 		}
 		return nil
 	default:
diff --git a/collections/iter_test.go b/collections/iter_test.go
index e18bad20a864..872156196900 100644
--- a/collections/iter_test.go
+++ b/collections/iter_test.go
@@ -1,6 +1,7 @@
 package collections
 
 import (
+	"errors"
 	"fmt"
 	"testing"
 
@@ -188,7 +189,7 @@ func TestWalk(t *testing.T) {
 	})
 	require.NoError(t, err)
 
-	sentinelErr := fmt.Errorf("sentinel error")
+	sentinelErr := errors.New("sentinel error")
 	err = m.Walk(ctx, nil, func(key, value uint64) (stop bool, err error) {
 		require.LessOrEqual(t, key, uint64(3)) // asserts that after the number three we stop
 		if key == 3 {
diff --git a/collections/map_test.go b/collections/map_test.go
index f95935c5720e..5f1ae176df07 100644
--- a/collections/map_test.go
+++ b/collections/map_test.go
@@ -2,7 +2,7 @@ package collections
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -53,7 +53,7 @@ func TestMap_Clear(t *testing.T) {
 		err := m.Clear(ctx, nil)
 		require.NoError(t, err)
 		err = m.Walk(ctx, nil, func(key, value uint64) (bool, error) {
-			return false, fmt.Errorf("should never be called")
+			return false, errors.New("should never be called")
 		})
 		require.NoError(t, err)
 	})
diff --git a/depinject/appconfig/config.go b/depinject/appconfig/config.go
index 10e1d037386d..9bffeae41c50 100644
--- a/depinject/appconfig/config.go
+++ b/depinject/appconfig/config.go
@@ -1,6 +1,7 @@
 package appconfig
 
 import (
+	"errors"
 	"fmt"
 	"reflect"
 	"strings"
@@ -95,7 +96,7 @@ func Compose(appConfig gogoproto.Message) depinject.Config {
 
 	for _, module := range appConfigConcrete.Modules {
 		if module.Name == "" {
-			return depinject.Error(fmt.Errorf("module is missing name"))
+			return depinject.Error(errors.New("module is missing name"))
 		}
 
 		if module.Config == nil {
diff --git a/depinject/container_test.go b/depinject/container_test.go
index 43010004cc35..dc4a9291e370 100644
--- a/depinject/container_test.go
+++ b/depinject/container_test.go
@@ -1,6 +1,7 @@
 package depinject_test
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"testing"
@@ -300,7 +301,7 @@ func TestCyclic(t *testing.T) {
 }
 
 func TestErrorOption(t *testing.T) {
-	err := depinject.Inject(depinject.Error(fmt.Errorf("an error")))
+	err := depinject.Inject(depinject.Error(errors.New("an error")))
 	require.Error(t, err)
 }
 
@@ -606,7 +607,7 @@ func ProvideTestOutput() (TestOutput, error) {
 }
 
 func ProvideTestOutputErr() (TestOutput, error) {
-	return TestOutput{}, fmt.Errorf("error")
+	return TestOutput{}, errors.New("error")
 }
 
 func TestStructArgs(t *testing.T) {
diff --git a/depinject/internal/codegen/file.go b/depinject/internal/codegen/file.go
index dba77becb13e..09a1a6109637 100644
--- a/depinject/internal/codegen/file.go
+++ b/depinject/internal/codegen/file.go
@@ -1,7 +1,7 @@
 package codegen
 
 import (
-	"fmt"
+	"errors"
 	"go/ast"
 	"go/token"
 	"strconv"
@@ -61,7 +61,7 @@ func NewFileGen(file *ast.File, codegenPkgPath string) (*FileGen, error) {
 		if spec.Name != nil {
 			name := spec.Name.Name
 			if name == "." {
-				return nil, fmt.Errorf(". package imports are not allowed")
+				return nil, errors.New(". package imports are not allowed")
 			}
 
 			info = &importInfo{importPrefix: name, ImportSpec: spec}
diff --git a/indexer/postgres/indexer.go b/indexer/postgres/indexer.go
index afcd8e0d8dbf..a69eefff1cd0 100644
--- a/indexer/postgres/indexer.go
+++ b/indexer/postgres/indexer.go
@@ -3,6 +3,7 @@ package postgres
 import (
 	"context"
 	"database/sql"
+	"errors"
 	"fmt"
 
 	"cosmossdk.io/schema/appdata"
@@ -23,7 +24,7 @@ type SqlLogger = func(msg, sql string, params ...interface{})
 
 func StartIndexer(ctx context.Context, logger SqlLogger, config Config) (appdata.Listener, error) {
 	if config.DatabaseURL == "" {
-		return appdata.Listener{}, fmt.Errorf("missing database URL")
+		return appdata.Listener{}, errors.New("missing database URL")
 	}
 
 	driver := config.DatabaseDriver
diff --git a/internal/testutil/cmd_test.go b/internal/testutil/cmd_test.go
index 2544b2467c44..4151360b9a0d 100644
--- a/internal/testutil/cmd_test.go
+++ b/internal/testutil/cmd_test.go
@@ -1,6 +1,7 @@
 package testutil_test
 
 import (
+	"errors"
 	"fmt"
 	"testing"
 
@@ -21,7 +22,7 @@ func TestSetArgsWithOriginalMethod(t *testing.T) {
 				c, _ := cmd.Flags().GetBool("c")
 				switch {
 				case a && b, a && c, b && c:
-					return fmt.Errorf("a,b,c only one could be true")
+					return errors.New("a,b,c only one could be true")
 				}
 				return nil
 			},
diff --git a/orm/encoding/ormfield/uint32.go b/orm/encoding/ormfield/uint32.go
index 0e770ad6b482..0da31691d9f6 100644
--- a/orm/encoding/ormfield/uint32.go
+++ b/orm/encoding/ormfield/uint32.go
@@ -2,7 +2,7 @@ package ormfield
 
 import (
 	"encoding/binary"
-	"fmt"
+	"errors"
 	"io"
 
 	"google.golang.org/protobuf/reflect/protoreflect"
@@ -183,6 +183,6 @@ func DecodeCompactUint32(reader io.Reader) (uint32, error) {
 		x |= uint32(buf[4])
 		return x, nil
 	default:
-		return 0, fmt.Errorf("unexpected case")
+		return 0, errors.New("unexpected case")
 	}
 }
diff --git a/orm/encoding/ormfield/uint64.go b/orm/encoding/ormfield/uint64.go
index 8623e516b155..43f08b0302c4 100644
--- a/orm/encoding/ormfield/uint64.go
+++ b/orm/encoding/ormfield/uint64.go
@@ -2,7 +2,7 @@ package ormfield
 
 import (
 	"encoding/binary"
-	"fmt"
+	"errors"
 	"io"
 
 	"google.golang.org/protobuf/reflect/protoreflect"
@@ -213,6 +213,6 @@ func DecodeCompactUint64(reader io.Reader) (uint64, error) {
 		x |= uint64(buf[8])
 		return x, nil
 	default:
-		return 0, fmt.Errorf("unexpected case")
+		return 0, errors.New("unexpected case")
 	}
 }
diff --git a/orm/internal/listinternal/options.go b/orm/internal/listinternal/options.go
index fb5c254dc88d..45571b24af1d 100644
--- a/orm/internal/listinternal/options.go
+++ b/orm/internal/listinternal/options.go
@@ -1,7 +1,7 @@
 package listinternal
 
 import (
-	"fmt"
+	"errors"
 
 	"google.golang.org/protobuf/proto"
 )
@@ -17,7 +17,7 @@ type Options struct {
 func (o Options) Validate() error {
 	if len(o.Cursor) != 0 {
 		if o.Offset > 0 {
-			return fmt.Errorf("can only specify one of cursor or offset")
+			return errors.New("can only specify one of cursor or offset")
 		}
 	}
 	return nil
diff --git a/orm/model/ormdb/module.go b/orm/model/ormdb/module.go
index 35d264196a3e..5aebb7a02339 100644
--- a/orm/model/ormdb/module.go
+++ b/orm/model/ormdb/module.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"math"
 
@@ -111,7 +112,7 @@ func NewModuleDB(schema *ormv1alpha1.ModuleSchemaDescriptor, options ModuleDBOpt
 		case ormv1alpha1.StorageType_STORAGE_TYPE_MEMORY:
 			service := options.MemoryStoreService
 			if service == nil {
-				return nil, fmt.Errorf("missing MemoryStoreService")
+				return nil, errors.New("missing MemoryStoreService")
 			}
 
 			backendResolver = func(ctx context.Context) (ormtable.ReadBackend, error) {
@@ -124,7 +125,7 @@ func NewModuleDB(schema *ormv1alpha1.ModuleSchemaDescriptor, options ModuleDBOpt
 		case ormv1alpha1.StorageType_STORAGE_TYPE_TRANSIENT:
 			service := options.TransientStoreService
 			if service == nil {
-				return nil, fmt.Errorf("missing TransientStoreService")
+				return nil, errors.New("missing TransientStoreService")
 			}
 
 			backendResolver = func(ctx context.Context) (ormtable.ReadBackend, error) {
diff --git a/orm/model/ormdb/module_test.go b/orm/model/ormdb/module_test.go
index 2557cd857c96..4127a0b88bfe 100644
--- a/orm/model/ormdb/module_test.go
+++ b/orm/model/ormdb/module_test.go
@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
-	"fmt"
+	"errors"
 	"strings"
 	"testing"
 
@@ -103,7 +103,7 @@ func (k keeper) Burn(ctx context.Context, acct, denom string, amount uint64) err
 	}
 
 	if amount > supply.Amount {
-		return fmt.Errorf("insufficient supply")
+		return errors.New("insufficient supply")
 	}
 
 	supply.Amount -= amount
@@ -171,7 +171,7 @@ func (k keeper) safeSubBalance(ctx context.Context, acct, denom string, amount u
 	}
 
 	if amount > balance.Amount {
-		return fmt.Errorf("insufficient funds")
+		return errors.New("insufficient funds")
 	}
 
 	balance.Amount -= amount
diff --git a/orm/model/ormtable/backend.go b/orm/model/ormtable/backend.go
index 2c1f234187ff..adeccc87188c 100644
--- a/orm/model/ormtable/backend.go
+++ b/orm/model/ormtable/backend.go
@@ -2,6 +2,7 @@ package ormtable
 
 import (
 	"context"
+	"errors"
 	"fmt"
 
 	"cosmossdk.io/core/store"
@@ -182,7 +183,7 @@ var defaultContextKey = contextKeyType("backend")
 func getBackendDefault(ctx context.Context) (ReadBackend, error) {
 	value := ctx.Value(defaultContextKey)
 	if value == nil {
-		return nil, fmt.Errorf("can't resolve backend")
+		return nil, errors.New("can't resolve backend")
 	}
 
 	backend, ok := value.(ReadBackend)
diff --git a/orm/model/ormtable/bench_test.go b/orm/model/ormtable/bench_test.go
index 337e049fb26a..450d54e2af92 100644
--- a/orm/model/ormtable/bench_test.go
+++ b/orm/model/ormtable/bench_test.go
@@ -2,6 +2,7 @@ package ormtable_test
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"testing"
 
@@ -143,7 +144,7 @@ func insertBalance(store kv.Store, balance *testpb.Balance) error {
 	}
 
 	if has {
-		return fmt.Errorf("already exists")
+		return errors.New("already exists")
 	}
 
 	bz, err := proto.Marshal(balance)
@@ -223,7 +224,7 @@ func getBalance(store kv.Store, address, denom string) (*testpb.Balance, error)
 	}
 
 	if bz == nil {
-		return nil, fmt.Errorf("not found")
+		return nil, errors.New("not found")
 	}
 
 	balance := testpb.Balance{}
diff --git a/runtime/branch_test.go b/runtime/branch_test.go
index 29a6c9703e0b..bd0dc1154a15 100644
--- a/runtime/branch_test.go
+++ b/runtime/branch_test.go
@@ -2,7 +2,7 @@ package runtime
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -52,7 +52,7 @@ func TestBranchService(t *testing.T) {
 		ctx := testutil.DefaultContext(sk, tsk)
 		err := bs.Execute(ctx, func(ctx context.Context) error {
 			doStateChange(ctx)
-			return fmt.Errorf("failure")
+			return errors.New("failure")
 		})
 		require.Error(t, err)
 		assertRollback(ctx, true)
@@ -76,7 +76,7 @@ func TestBranchService(t *testing.T) {
 		ctx := testutil.DefaultContext(sk, tsk)
 		gasUsed, err := bs.ExecuteWithGasLimit(ctx, 4_000, func(ctx context.Context) error {
 			doStateChange(ctx)
-			return fmt.Errorf("failure")
+			return errors.New("failure")
 		})
 		require.Error(t, err)
 		// assert gas used
diff --git a/runtime/v2/manager.go b/runtime/v2/manager.go
index c947e0b96581..c64423ee9e20 100644
--- a/runtime/v2/manager.go
+++ b/runtime/v2/manager.go
@@ -410,7 +410,7 @@ func (m *MM[T]) RunMigrations(ctx context.Context, fromVM appmodulev2.VersionMap
 
 				// The module manager assumes only one module will update the validator set, and it can't be a new module.
 				if len(moduleValUpdates) > 0 {
-					return nil, fmt.Errorf("validator InitGenesis update is already set by another module")
+					return nil, errors.New("validator InitGenesis update is already set by another module")
 				}
 			}
 		}
diff --git a/schema/decoding/decoding_test.go b/schema/decoding/decoding_test.go
index 5f6872af593a..a671d2f4c35b 100644
--- a/schema/decoding/decoding_test.go
+++ b/schema/decoding/decoding_test.go
@@ -1,6 +1,7 @@
 package decoding
 
 import (
+	"errors"
 	"fmt"
 	"reflect"
 	"sort"
@@ -360,7 +361,7 @@ func (e exampleBankModule) subBalance(acct, denom string, amount uint64) error {
 	key := balanceKey(acct, denom)
 	cur := e.store.GetUInt64(key)
 	if cur < amount {
-		return fmt.Errorf("insufficient balance")
+		return errors.New("insufficient balance")
 	}
 	e.store.SetUInt64(key, cur-amount)
 	return nil
diff --git a/server/cmt_cmds.go b/server/cmt_cmds.go
index e4fdf1ed814c..1d2eb70b04c7 100644
--- a/server/cmt_cmds.go
+++ b/server/cmt_cmds.go
@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -239,7 +240,7 @@ $ %s query block --%s=%s <hash>
 			case auth.TypeHeight:
 
 				if args[0] == "" {
-					return fmt.Errorf("argument should be a block height")
+					return errors.New("argument should be a block height")
 				}
 
 				// optional height
@@ -265,7 +266,7 @@ $ %s query block --%s=%s <hash>
 			case auth.TypeHash:
 
 				if args[0] == "" {
-					return fmt.Errorf("argument should be a tx hash")
+					return errors.New("argument should be a tx hash")
 				}
 
 				// If hash is given, then query the tx by hash.
diff --git a/server/grpc/reflection/v2alpha1/reflection.go b/server/grpc/reflection/v2alpha1/reflection.go
index 2e2fd1a45e6a..fd1ffe4293f7 100644
--- a/server/grpc/reflection/v2alpha1/reflection.go
+++ b/server/grpc/reflection/v2alpha1/reflection.go
@@ -162,7 +162,7 @@ func newTxDescriptor(ir codectypes.InterfaceRegistry) (*TxDescriptor, error) {
 	// get base tx type name
 	txPbName := proto.MessageName(&tx.Tx{})
 	if txPbName == "" {
-		return nil, fmt.Errorf("unable to get *tx.Tx protobuf name")
+		return nil, errors.New("unable to get *tx.Tx protobuf name")
 	}
 	// get msgs
 	sdkMsgImplementers := ir.ListImplementations(sdk.MsgInterfaceProtoName)
diff --git a/server/v2/api/telemetry/metrics.go b/server/v2/api/telemetry/metrics.go
index 78fe6388ca68..39055af6739b 100644
--- a/server/v2/api/telemetry/metrics.go
+++ b/server/v2/api/telemetry/metrics.go
@@ -3,6 +3,7 @@ package telemetry
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"time"
@@ -145,7 +146,7 @@ func (m *Metrics) Gather(format string) (GatherResponse, error) {
 // If Prometheus metrics are not enabled, it returns an error.
 func (m *Metrics) gatherPrometheus() (GatherResponse, error) {
 	if !m.prometheusEnabled {
-		return GatherResponse{}, fmt.Errorf("prometheus metrics are not enabled")
+		return GatherResponse{}, errors.New("prometheus metrics are not enabled")
 	}
 
 	metricsFamilies, err := prometheus.DefaultGatherer.Gather()
@@ -171,7 +172,7 @@ func (m *Metrics) gatherPrometheus() (GatherResponse, error) {
 func (m *Metrics) gatherGeneric() (GatherResponse, error) {
 	gm, ok := m.sink.(DisplayableSink)
 	if !ok {
-		return GatherResponse{}, fmt.Errorf("non in-memory metrics sink does not support generic format")
+		return GatherResponse{}, errors.New("non in-memory metrics sink does not support generic format")
 	}
 
 	summary, err := gm.DisplayMetrics(nil, nil)
diff --git a/server/v2/appmanager/appmanager.go b/server/v2/appmanager/appmanager.go
index d9c84c5035d7..cef0fc57cce7 100644
--- a/server/v2/appmanager/appmanager.go
+++ b/server/v2/appmanager/appmanager.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 
 	appmanager "cosmossdk.io/core/app"
@@ -46,7 +47,7 @@ func (a AppManager[T]) InitGenesis(
 		return nil, nil, fmt.Errorf("unable to get latest state: %w", err)
 	}
 	if v != 0 { // TODO: genesis state may be > 0, we need to set version on store
-		return nil, nil, fmt.Errorf("cannot init genesis on non-zero state")
+		return nil, nil, errors.New("cannot init genesis on non-zero state")
 	}
 
 	var genTxs []T
diff --git a/server/v2/cometbft/abci.go b/server/v2/cometbft/abci.go
index b0c1a8452a13..c83360ed75d6 100644
--- a/server/v2/cometbft/abci.go
+++ b/server/v2/cometbft/abci.go
@@ -543,7 +543,7 @@ func (c *Consensus[T]) VerifyVoteExtension(
 	}
 
 	if c.verifyVoteExt == nil {
-		return nil, fmt.Errorf("vote extensions are enabled but no verify function was set")
+		return nil, errors.New("vote extensions are enabled but no verify function was set")
 	}
 
 	_, latestStore, err := c.store.StateLatest()
@@ -579,7 +579,7 @@ func (c *Consensus[T]) ExtendVote(ctx context.Context, req *abciproto.ExtendVote
 	}
 
 	if c.verifyVoteExt == nil {
-		return nil, fmt.Errorf("vote extensions are enabled but no verify function was set")
+		return nil, errors.New("vote extensions are enabled but no verify function was set")
 	}
 
 	_, latestStore, err := c.store.StateLatest()
diff --git a/server/v2/cometbft/commands.go b/server/v2/cometbft/commands.go
index 16c1e30905eb..26d13058952a 100644
--- a/server/v2/cometbft/commands.go
+++ b/server/v2/cometbft/commands.go
@@ -2,6 +2,7 @@ package cometbft
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -253,7 +254,7 @@ $ %s query block --%s=%s <hash>
 			switch typ {
 			case TypeHeight:
 				if args[0] == "" {
-					return fmt.Errorf("argument should be a block height")
+					return errors.New("argument should be a block height")
 				}
 
 				// optional height
@@ -284,7 +285,7 @@ $ %s query block --%s=%s <hash>
 			case TypeHash:
 
 				if args[0] == "" {
-					return fmt.Errorf("argument should be a tx hash")
+					return errors.New("argument should be a tx hash")
 				}
 
 				// If hash is given, then query the tx by hash.
diff --git a/server/v2/cometbft/handlers/defaults.go b/server/v2/cometbft/handlers/defaults.go
index f7e32f64fa45..c16064974b1f 100644
--- a/server/v2/cometbft/handlers/defaults.go
+++ b/server/v2/cometbft/handlers/defaults.go
@@ -140,7 +140,7 @@ func (h *DefaultProposalHandler[T]) ProcessHandler() ProcessHandler[T] {
 			if maxBlockGas > 0 {
 				gaslimit, err := tx.GetGasLimit()
 				if err != nil {
-					return fmt.Errorf("failed to get gas limit")
+					return errors.New("failed to get gas limit")
 				}
 				totalTxGas += gaslimit
 				if totalTxGas > maxBlockGas {
diff --git a/server/v2/cometbft/utils.go b/server/v2/cometbft/utils.go
index b4bfb5a6dd30..7f513fb3e6fb 100644
--- a/server/v2/cometbft/utils.go
+++ b/server/v2/cometbft/utils.go
@@ -2,6 +2,7 @@ package cometbft
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math"
 	"strings"
@@ -296,7 +297,7 @@ func (c *Consensus[T]) GetConsensusParams(ctx context.Context) (*cmtproto.Consen
 	}
 
 	if r, ok := res.(*consensus.QueryParamsResponse); !ok {
-		return nil, fmt.Errorf("failed to query consensus params")
+		return nil, errors.New("failed to query consensus params")
 	} else {
 		// convert our params to cometbft params
 		evidenceMaxDuration := r.Params.Evidence.MaxAgeDuration
diff --git a/server/v2/stf/core_branch_service_test.go b/server/v2/stf/core_branch_service_test.go
index 960563faba0d..21854001ba56 100644
--- a/server/v2/stf/core_branch_service_test.go
+++ b/server/v2/stf/core_branch_service_test.go
@@ -2,7 +2,7 @@ package stf
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"testing"
 
 	gogotypes "github.com/cosmos/gogoproto/types"
@@ -70,7 +70,7 @@ func TestBranchService(t *testing.T) {
 		stfCtx := makeContext()
 		gasUsed, err := branchService.ExecuteWithGasLimit(stfCtx, 10000, func(ctx context.Context) error {
 			kvSet(t, ctx, "cookies")
-			return fmt.Errorf("fail")
+			return errors.New("fail")
 		})
 		require.Error(t, err)
 		require.NotZero(t, gasUsed)
diff --git a/server/v2/stf/stf_test.go b/server/v2/stf/stf_test.go
index a77c126087ee..6d6fc692a30b 100644
--- a/server/v2/stf/stf_test.go
+++ b/server/v2/stf/stf_test.go
@@ -3,7 +3,7 @@ package stf
 import (
 	"context"
 	"crypto/sha256"
-	"fmt"
+	"errors"
 	"testing"
 	"time"
 
@@ -158,7 +158,7 @@ func TestSTF(t *testing.T) {
 		// update the stf to fail on the handler
 		s := s.clone()
 		addMsgHandlerToSTF(t, &s, func(ctx context.Context, msg *gogotypes.BoolValue) (*gogotypes.BoolValue, error) {
-			return nil, fmt.Errorf("failure")
+			return nil, errors.New("failure")
 		})
 
 		blockResult, newState, err := s.DeliverBlock(context.Background(), &appmanager.BlockRequest[mock.Tx]{
@@ -180,7 +180,7 @@ func TestSTF(t *testing.T) {
 	t.Run("tx is success but post tx failed", func(t *testing.T) {
 		s := s.clone()
 		s.postTxExec = func(ctx context.Context, tx mock.Tx, success bool) error {
-			return fmt.Errorf("post tx failure")
+			return errors.New("post tx failure")
 		}
 		blockResult, newState, err := s.DeliverBlock(context.Background(), &appmanager.BlockRequest[mock.Tx]{
 			Height:  uint64(1),
@@ -201,9 +201,9 @@ func TestSTF(t *testing.T) {
 	t.Run("tx failed and post tx failed", func(t *testing.T) {
 		s := s.clone()
 		addMsgHandlerToSTF(t, &s, func(ctx context.Context, msg *gogotypes.BoolValue) (*gogotypes.BoolValue, error) {
-			return nil, fmt.Errorf("exec failure")
+			return nil, errors.New("exec failure")
 		})
-		s.postTxExec = func(ctx context.Context, tx mock.Tx, success bool) error { return fmt.Errorf("post tx failure") }
+		s.postTxExec = func(ctx context.Context, tx mock.Tx, success bool) error { return errors.New("post tx failure") }
 		blockResult, newState, err := s.DeliverBlock(context.Background(), &appmanager.BlockRequest[mock.Tx]{
 			Height:  uint64(1),
 			Time:    time.Date(2024, 2, 3, 18, 23, 0, 0, time.UTC),
@@ -223,7 +223,7 @@ func TestSTF(t *testing.T) {
 	t.Run("fail validate tx", func(t *testing.T) {
 		// update stf to fail on the validation step
 		s := s.clone()
-		s.doTxValidation = func(ctx context.Context, tx mock.Tx) error { return fmt.Errorf("failure") }
+		s.doTxValidation = func(ctx context.Context, tx mock.Tx) error { return errors.New("failure") }
 		blockResult, newState, err := s.DeliverBlock(context.Background(), &appmanager.BlockRequest[mock.Tx]{
 			Height:  uint64(1),
 			Time:    time.Date(2024, 2, 3, 18, 23, 0, 0, time.UTC),
diff --git a/store/v2/commitment/store.go b/store/v2/commitment/store.go
index 081559acba27..f76dfaaf9d1b 100644
--- a/store/v2/commitment/store.go
+++ b/store/v2/commitment/store.go
@@ -349,7 +349,7 @@ func (c *CommitStore) PausePruning(pause bool) {
 // Snapshot implements snapshotstypes.CommitSnapshotter.
 func (c *CommitStore) Snapshot(version uint64, protoWriter protoio.Writer) error {
 	if version == 0 {
-		return fmt.Errorf("the snapshot version must be greater than 0")
+		return errors.New("the snapshot version must be greater than 0")
 	}
 
 	latestVersion, err := c.GetLatestVersion()
@@ -453,7 +453,7 @@ loop:
 
 		case *snapshotstypes.SnapshotItem_IAVL:
 			if importer == nil {
-				return snapshotstypes.SnapshotItem{}, fmt.Errorf("received IAVL node item before store item")
+				return snapshotstypes.SnapshotItem{}, errors.New("received IAVL node item before store item")
 			}
 			node := item.IAVL
 			if node.Height > int32(math.MaxInt8) {
diff --git a/store/v2/migration/manager.go b/store/v2/migration/manager.go
index bd636dc3c600..e71d97877e62 100644
--- a/store/v2/migration/manager.go
+++ b/store/v2/migration/manager.go
@@ -215,7 +215,7 @@ func (m *Manager) GetMigratedVersion() uint64 {
 func (m *Manager) Sync() error {
 	version := m.GetMigratedVersion()
 	if version == 0 {
-		return fmt.Errorf("migration is not done yet")
+		return errors.New("migration is not done yet")
 	}
 	version += 1
 
diff --git a/tests/integration/example/example_test.go b/tests/integration/example/example_test.go
index 56f49dab8ed4..b8bac7848849 100644
--- a/tests/integration/example/example_test.go
+++ b/tests/integration/example/example_test.go
@@ -2,6 +2,7 @@ package integration_test
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"testing"
@@ -112,7 +113,7 @@ func Example() {
 	// in this example the result is an empty response, a nil check is enough
 	// in other cases, it is recommended to check the result value.
 	if result == nil {
-		panic(fmt.Errorf("unexpected nil result"))
+		panic(errors.New("unexpected nil result"))
 	}
 
 	// we now check the result
@@ -220,7 +221,7 @@ func Example_oneModule() {
 	// in this example the result is an empty response, a nil check is enough
 	// in other cases, it is recommended to check the result value.
 	if result == nil {
-		panic(fmt.Errorf("unexpected nil result"))
+		panic(errors.New("unexpected nil result"))
 	}
 
 	// we now check the result
diff --git a/tests/systemtests/README.md b/tests/systemtests/README.md
index ab20d155f08f..61eaf89d0223 100644
--- a/tests/systemtests/README.md
+++ b/tests/systemtests/README.md
@@ -3,19 +3,23 @@
 Test framework for system tests. 
 Starts and interacts with a (multi node) blockchain in Go.
 Supports
+
 * CLI
 * Servers
 * Events
 * RPC
 
 Uses:
+
 * testify
 * gjson
 * sjson
 Server and client side are executed on the host machine
 
 ## Developer
+
 ### Test strategy
+
 System tests cover the full stack via cli and a running (multi node) network. They are more expensive (in terms of time/ cpu) 
 to run compared to unit or integration tests. 
 Therefore, we focus on the **critical path** and do not cover every condition.
@@ -33,7 +37,9 @@ Test cli parameters
 * `-nodes-count` int - number of nodes in the cluster (default 4)
 
 # Port ranges
+
 With *n* nodes:
+
 * `26657` - `26657+n` - RPC
 * `1317` - `1317+n` - API
 * `9090` - `9090+n` - GRPC
@@ -47,4 +53,4 @@ For example Node *3* listens on `26660` for RPC calls
 
 ## Disclaimer
 
-This is based on the system test framework in [wasmd](https://github.com/CosmWasm/wasmd) built by Confio.
\ No newline at end of file
+This is based on the system test framework in [wasmd](https://github.com/CosmWasm/wasmd) built by Confio.
diff --git a/tests/systemtests/account_test.go b/tests/systemtests/account_test.go
new file mode 100644
index 000000000000..c3940579e2c3
--- /dev/null
+++ b/tests/systemtests/account_test.go
@@ -0,0 +1,50 @@
+package systemtests
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/tidwall/gjson"
+)
+
+func TestAccountCreation(t *testing.T) {
+	// scenario: test account creation
+	// given a running chain
+	// when accountA is sending funds to accountB,
+	// AccountB should not be created
+	// when accountB is sending funds to accountA,
+	// AccountB should be created
+
+	sut.ResetChain(t)
+	cli := NewCLIWrapper(t, sut, verbose)
+	// add genesis account with some tokens
+	account1Addr := cli.AddKey("account1")
+	account2Addr := cli.AddKey("account2")
+	sut.ModifyGenesisCLI(t,
+		[]string{"genesis", "add-genesis-account", account1Addr, "10000000stake"},
+	)
+
+	sut.StartChain(t)
+
+	// query account1
+	rsp := cli.CustomQuery("q", "auth", "account", account1Addr)
+	assert.Equal(t, account1Addr, gjson.Get(rsp, "account.value.address").String(), rsp)
+
+	rsp1 := cli.Run("tx", "bank", "send", account1Addr, account2Addr, "5000stake", "--from="+account1Addr, "--fees=1stake")
+	RequireTxSuccess(t, rsp1)
+
+	// query account2
+
+	rsp2 := cli.WithRunErrorsIgnored().CustomQuery("q", "auth", "account", account2Addr)
+	assert.True(t, strings.Contains(rsp2, "not found: key not found"))
+
+	rsp3 := cli.Run("tx", "bank", "send", account2Addr, account1Addr, "1000stake", "--from="+account1Addr, "--fees=1stake")
+	RequireTxSuccess(t, rsp3)
+
+	// query account2 to make sure its created
+	rsp4 := cli.CustomQuery("q", "auth", "account", account2Addr)
+	assert.Equal(t, "1", gjson.Get(rsp4, "account.value.sequence").String(), rsp4)
+	rsp5 := cli.CustomQuery("q", "auth", "account", account1Addr)
+	assert.Equal(t, "1", gjson.Get(rsp5, "account.value.sequence").String(), rsp5)
+}
diff --git a/testutil/network/network.go b/testutil/network/network.go
index fb2bbd54ae69..7929846bac96 100644
--- a/testutil/network/network.go
+++ b/testutil/network/network.go
@@ -350,7 +350,7 @@ func New(l Logger, baseDir string, cfg Config) (NetworkI, error) {
 				apiListenAddr = cfg.APIAddress
 			} else {
 				if len(portPool) == 0 {
-					return nil, fmt.Errorf("failed to get port for API server")
+					return nil, errors.New("failed to get port for API server")
 				}
 				port := <-portPool
 				apiListenAddr = fmt.Sprintf("tcp://127.0.0.1:%s", port)
@@ -367,7 +367,7 @@ func New(l Logger, baseDir string, cfg Config) (NetworkI, error) {
 				cmtCfg.RPC.ListenAddress = cfg.RPCAddress
 			} else {
 				if len(portPool) == 0 {
-					return nil, fmt.Errorf("failed to get port for RPC server")
+					return nil, errors.New("failed to get port for RPC server")
 				}
 				port := <-portPool
 				cmtCfg.RPC.ListenAddress = fmt.Sprintf("tcp://127.0.0.1:%s", port)
@@ -377,7 +377,7 @@ func New(l Logger, baseDir string, cfg Config) (NetworkI, error) {
 				appCfg.GRPC.Address = cfg.GRPCAddress
 			} else {
 				if len(portPool) == 0 {
-					return nil, fmt.Errorf("failed to get port for GRPC server")
+					return nil, errors.New("failed to get port for GRPC server")
 				}
 				port := <-portPool
 				appCfg.GRPC.Address = fmt.Sprintf("127.0.0.1:%s", port)
@@ -410,14 +410,14 @@ func New(l Logger, baseDir string, cfg Config) (NetworkI, error) {
 		monikers[i] = nodeDirName
 
 		if len(portPool) == 0 {
-			return nil, fmt.Errorf("failed to get port for Proxy server")
+			return nil, errors.New("failed to get port for Proxy server")
 		}
 		port := <-portPool
 		proxyAddr := fmt.Sprintf("tcp://127.0.0.1:%s", port)
 		cmtCfg.ProxyApp = proxyAddr
 
 		if len(portPool) == 0 {
-			return nil, fmt.Errorf("failed to get port for Proxy server")
+			return nil, errors.New("failed to get port for Proxy server")
 		}
 		port = <-portPool
 		p2pAddr := fmt.Sprintf("tcp://127.0.0.1:%s", port)
diff --git a/testutil/sims/address_helpers.go b/testutil/sims/address_helpers.go
index 0f6d85e275cc..d0b8bb8ce7fc 100644
--- a/testutil/sims/address_helpers.go
+++ b/testutil/sims/address_helpers.go
@@ -3,7 +3,7 @@ package sims
 import (
 	"bytes"
 	"encoding/hex"
-	"fmt"
+	"errors"
 	"strconv"
 
 	errorsmod "cosmossdk.io/errors"
@@ -108,7 +108,7 @@ func TestAddr(addr, bech string) (sdk.AccAddress, error) {
 	}
 	bechexpected := res.String()
 	if bech != bechexpected {
-		return nil, fmt.Errorf("bech encoding doesn't match reference")
+		return nil, errors.New("bech encoding doesn't match reference")
 	}
 
 	bechres, err := sdk.AccAddressFromBech32(bech)
diff --git a/testutil/sims/app_helpers.go b/testutil/sims/app_helpers.go
index 720713ca56ac..1a1762d78437 100644
--- a/testutil/sims/app_helpers.go
+++ b/testutil/sims/app_helpers.go
@@ -2,6 +2,7 @@ package sims
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"time"
 
@@ -164,7 +165,7 @@ func SetupWithConfiguration(appConfig depinject.Config, startupConfig StartupCon
 	// create validator set
 	valSet, err := startupConfig.ValidatorSet()
 	if err != nil {
-		return nil, fmt.Errorf("failed to create validator set")
+		return nil, errors.New("failed to create validator set")
 	}
 
 	var (
diff --git a/testutil/sims/state_helpers.go b/testutil/sims/state_helpers.go
index 8a3ce8a488a3..631ec379b81f 100644
--- a/testutil/sims/state_helpers.go
+++ b/testutil/sims/state_helpers.go
@@ -3,7 +3,7 @@ package sims
 import (
 	"bufio"
 	"encoding/json"
-	"fmt"
+	"errors"
 	"io"
 	"math/rand"
 	"os"
@@ -289,7 +289,7 @@ func AppStateFromGenesisFileFn(r io.Reader, cdc codec.JSONCodec, genesisFile str
 
 		a, ok := acc.GetCachedValue().(sdk.AccountI)
 		if !ok {
-			return *genesis, nil, fmt.Errorf("expected account")
+			return *genesis, nil, errors.New("expected account")
 		}
 
 		// create simulator accounts
diff --git a/testutil/testdata/grpc_query.go b/testutil/testdata/grpc_query.go
index d4ca6c73d888..a8b4d75b0621 100644
--- a/testutil/testdata/grpc_query.go
+++ b/testutil/testdata/grpc_query.go
@@ -2,6 +2,7 @@ package testdata
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"testing"
 
@@ -27,7 +28,7 @@ var _ QueryServer = QueryImpl{}
 func (e QueryImpl) TestAny(_ context.Context, request *TestAnyRequest) (*TestAnyResponse, error) {
 	animal, ok := request.AnyAnimal.GetCachedValue().(test.Animal)
 	if !ok {
-		return nil, fmt.Errorf("expected Animal")
+		return nil, errors.New("expected Animal")
 	}
 
 	any, err := types.NewAnyWithValue(animal.(proto.Message))
diff --git a/tools/cosmovisor/args.go b/tools/cosmovisor/args.go
index e89112749b30..40e2553631b3 100644
--- a/tools/cosmovisor/args.go
+++ b/tools/cosmovisor/args.go
@@ -310,7 +310,7 @@ func parseEnvDuration(input string) (time.Duration, error) {
 	}
 
 	if duration <= 0 {
-		return 0, fmt.Errorf("must be greater than 0")
+		return 0, errors.New("must be greater than 0")
 	}
 
 	return duration, nil
diff --git a/tools/hubl/internal/version.go b/tools/hubl/internal/version.go
index 87a0d57c1d1b..d4dbff188a37 100644
--- a/tools/hubl/internal/version.go
+++ b/tools/hubl/internal/version.go
@@ -1,7 +1,7 @@
 package internal
 
 import (
-	"fmt"
+	"errors"
 	"runtime/debug"
 	"strings"
 
@@ -19,7 +19,7 @@ func VersionCmd() *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			version, ok := debug.ReadBuildInfo()
 			if !ok {
-				return fmt.Errorf("failed to get hubl version")
+				return errors.New("failed to get hubl version")
 			}
 
 			cmd.Printf("hubl version: %s\n", strings.TrimSpace(version.Main.Version))
diff --git a/types/collections.go b/types/collections.go
index cf7ad0cb2257..79d9b4fca55a 100644
--- a/types/collections.go
+++ b/types/collections.go
@@ -2,6 +2,7 @@ package types
 
 import (
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"time"
 
@@ -255,7 +256,7 @@ var timeSize = len(FormatTimeBytes(time.Time{}))
 
 func (timeKeyCodec) Decode(buffer []byte) (int, time.Time, error) {
 	if len(buffer) != timeSize {
-		return 0, time.Time{}, fmt.Errorf("invalid time buffer size")
+		return 0, time.Time{}, errors.New("invalid time buffer size")
 	}
 	t, err := ParseTimeBytes(buffer)
 	if err != nil {
diff --git a/types/mempool/mempool_test.go b/types/mempool/mempool_test.go
index 8cfb1d0252f1..01c1fdd90028 100644
--- a/types/mempool/mempool_test.go
+++ b/types/mempool/mempool_test.go
@@ -1,6 +1,7 @@
 package mempool_test
 
 import (
+	"errors"
 	"fmt"
 	"math/rand"
 	"testing"
@@ -217,7 +218,7 @@ func (s *MempoolTestSuite) TestDefaultMempool() {
 
 	// a tx which does not implement SigVerifiableTx should not be inserted
 	tx := &sigErrTx{getSigs: func() ([]txsigning.SignatureV2, error) {
-		return nil, fmt.Errorf("error")
+		return nil, errors.New("error")
 	}}
 	require.Error(t, s.mempool.Insert(ctx, tx))
 	require.Error(t, s.mempool.Remove(tx))
diff --git a/types/mempool/priority_nonce.go b/types/mempool/priority_nonce.go
index f0df79e70882..a927693410ef 100644
--- a/types/mempool/priority_nonce.go
+++ b/types/mempool/priority_nonce.go
@@ -2,6 +2,7 @@ package mempool
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math"
 	"sync"
@@ -215,7 +216,7 @@ func (mp *PriorityNonceMempool[C]) Insert(ctx context.Context, tx sdk.Tx) error
 		return err
 	}
 	if len(sigs) == 0 {
-		return fmt.Errorf("tx must have at least one signer")
+		return errors.New("tx must have at least one signer")
 	}
 
 	sig := sigs[0]
@@ -436,7 +437,7 @@ func (mp *PriorityNonceMempool[C]) Remove(tx sdk.Tx) error {
 		return err
 	}
 	if len(sigs) == 0 {
-		return fmt.Errorf("attempted to remove a tx with no signatures")
+		return errors.New("attempted to remove a tx with no signatures")
 	}
 
 	sig := sigs[0]
@@ -466,7 +467,7 @@ func (mp *PriorityNonceMempool[C]) Remove(tx sdk.Tx) error {
 func IsEmpty[C comparable](mempool Mempool) error {
 	mp := mempool.(*PriorityNonceMempool[C])
 	if mp.priorityIndex.Len() != 0 {
-		return fmt.Errorf("priorityIndex not empty")
+		return errors.New("priorityIndex not empty")
 	}
 
 	countKeys := make([]C, 0, len(mp.priorityCounts))
diff --git a/types/mempool/sender_nonce.go b/types/mempool/sender_nonce.go
index 9e2b25e4e47d..fc4902f64792 100644
--- a/types/mempool/sender_nonce.go
+++ b/types/mempool/sender_nonce.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	crand "crypto/rand" // #nosec // crypto/rand is used for seed generation
 	"encoding/binary"
-	"fmt"
+	"errors"
 	"math/rand" // #nosec // math/rand is used for random selection and seeded from crypto/rand
 	"sync"
 
@@ -133,7 +133,7 @@ func (snm *SenderNonceMempool) Insert(_ context.Context, tx sdk.Tx) error {
 		return err
 	}
 	if len(sigs) == 0 {
-		return fmt.Errorf("tx must have at least one signer")
+		return errors.New("tx must have at least one signer")
 	}
 
 	sig := sigs[0]
@@ -206,7 +206,7 @@ func (snm *SenderNonceMempool) Remove(tx sdk.Tx) error {
 		return err
 	}
 	if len(sigs) == 0 {
-		return fmt.Errorf("tx must have at least one signer")
+		return errors.New("tx must have at least one signer")
 	}
 
 	sig := sigs[0]
diff --git a/types/mempool/signer_extraction_adapater_test.go b/types/mempool/signer_extraction_adapater_test.go
index 77531956a08d..6bc88a87d59b 100644
--- a/types/mempool/signer_extraction_adapater_test.go
+++ b/types/mempool/signer_extraction_adapater_test.go
@@ -1,6 +1,7 @@
 package mempool_test
 
 import (
+	"errors"
 	"fmt"
 	"math/rand"
 	"testing"
@@ -52,7 +53,7 @@ func TestDefaultSignerExtractor(t *testing.T) {
 	ext := mempool.NewDefaultSignerExtractionAdapter()
 	goodTx := testTx{id: 0, priority: 0, nonce: 0, address: sa}
 	badTx := &sigErrTx{getSigs: func() ([]txsigning.SignatureV2, error) {
-		return nil, fmt.Errorf("error")
+		return nil, errors.New("error")
 	}}
 	nonSigVerify := nonVerifiableTx{}
 
@@ -63,7 +64,7 @@ func TestDefaultSignerExtractor(t *testing.T) {
 		err  error
 	}{
 		{name: "valid tx extracts sigs", tx: goodTx, sea: ext, err: nil},
-		{name: "invalid tx fails on sig", tx: badTx, sea: ext, err: fmt.Errorf("err")},
+		{name: "invalid tx fails on sig", tx: badTx, sea: ext, err: errors.New("err")},
 		{name: "non-verifiable tx fails on conversion", tx: nonSigVerify, sea: ext, err: fmt.Errorf("tx of type %T does not implement SigVerifiableTx", nonSigVerify)},
 	}
 	for _, test := range tests {
diff --git a/types/query/collections_pagination.go b/types/query/collections_pagination.go
index fb17fd8c56e4..2877df26396c 100644
--- a/types/query/collections_pagination.go
+++ b/types/query/collections_pagination.go
@@ -3,7 +3,6 @@ package query
 import (
 	"context"
 	"errors"
-	"fmt"
 
 	"cosmossdk.io/collections"
 	collcodec "cosmossdk.io/collections/codec"
@@ -87,7 +86,7 @@ func CollectionFilteredPaginate[K, V any, C Collection[K, V], T any](
 	reverse := pageReq.Reverse
 
 	if offset > 0 && key != nil {
-		return nil, nil, fmt.Errorf("invalid request, either offset or key is expected, got both")
+		return nil, nil, errors.New("invalid request, either offset or key is expected, got both")
 	}
 
 	opt := new(CollectionsPaginateOptions[K])
diff --git a/types/query/filtered_pagination.go b/types/query/filtered_pagination.go
index 7d57aa8f534f..1eafe6321b33 100644
--- a/types/query/filtered_pagination.go
+++ b/types/query/filtered_pagination.go
@@ -1,7 +1,7 @@
 package query
 
 import (
-	"fmt"
+	"errors"
 
 	"github.com/cosmos/gogoproto/proto"
 
@@ -26,7 +26,7 @@ func FilteredPaginate(
 	pageRequest = initPageRequestDefaults(pageRequest)
 
 	if pageRequest.Offset > 0 && pageRequest.Key != nil {
-		return nil, fmt.Errorf("invalid request, either offset or key is expected, got both")
+		return nil, errors.New("invalid request, either offset or key is expected, got both")
 	}
 
 	var (
@@ -151,7 +151,7 @@ func GenericFilteredPaginate[T, F proto.Message](
 	results := []F{}
 
 	if pageRequest.Offset > 0 && pageRequest.Key != nil {
-		return results, nil, fmt.Errorf("invalid request, either offset or key is expected, got both")
+		return results, nil, errors.New("invalid request, either offset or key is expected, got both")
 	}
 
 	var (
diff --git a/types/query/pagination.go b/types/query/pagination.go
index 110dc57fa2e7..c26ca38ff73b 100644
--- a/types/query/pagination.go
+++ b/types/query/pagination.go
@@ -1,7 +1,7 @@
 package query
 
 import (
-	"fmt"
+	"errors"
 	"math"
 
 	db "github.com/cosmos/cosmos-db"
@@ -62,7 +62,7 @@ func Paginate(
 	pageRequest = initPageRequestDefaults(pageRequest)
 
 	if pageRequest.Offset > 0 && pageRequest.Key != nil {
-		return nil, fmt.Errorf("invalid request, either offset or key is expected, got both")
+		return nil, errors.New("invalid request, either offset or key is expected, got both")
 	}
 
 	iterator := getIterator(prefixStore, pageRequest.Key, pageRequest.Reverse)
diff --git a/types/simulation/account.go b/types/simulation/account.go
index 0c3f786b5f36..d046ea23e284 100644
--- a/types/simulation/account.go
+++ b/types/simulation/account.go
@@ -1,7 +1,7 @@
 package simulation
 
 import (
-	"fmt"
+	"errors"
 	"math/rand"
 
 	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
@@ -90,7 +90,7 @@ func RandomFees(r *rand.Rand, spendableCoins sdk.Coins) (sdk.Coins, error) {
 	}
 
 	if randCoin.Amount.IsZero() {
-		return nil, fmt.Errorf("no coins found for random fees")
+		return nil, errors.New("no coins found for random fees")
 	}
 
 	amt, err := RandPositiveInt(r, randCoin.Amount)
diff --git a/x/protocolpool/keeper/genesis.go b/x/protocolpool/keeper/genesis.go
index fa32a08f9a50..0a371f453103 100644
--- a/x/protocolpool/keeper/genesis.go
+++ b/x/protocolpool/keeper/genesis.go
@@ -2,6 +2,7 @@ package keeper
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"time"
 
@@ -65,7 +66,7 @@ func (k Keeper) InitGenesis(ctx context.Context, data *types.GenesisState) error
 
 	// sanity check to avoid trying to distribute more than what is available
 	if data.LastBalance.LT(totalToBeDistributed) {
-		return fmt.Errorf("total to be distributed is greater than the last balance")
+		return errors.New("total to be distributed is greater than the last balance")
 	}
 
 	return nil