diff --git a/abstract-pool.ts b/abstract-pool.ts
index f543cee..2b4f34c 100644
--- a/abstract-pool.ts
+++ b/abstract-pool.ts
@@ -23,7 +23,7 @@ export type SubscribeManyParams = Omit<SubscriptionParams, 'onclose' | 'id'> & {
 }
 
 export class AbstractSimplePool {
-  protected relays = new Map<string, AbstractRelay>()
+  protected relays: Map<string, AbstractRelay> = new Map()
   public seenOn: Map<string, Set<AbstractRelay>> = new Map()
   public trackRelays: boolean = false
 
diff --git a/nip17.ts b/nip17.ts
index d579207..63ae36c 100644
--- a/nip17.ts
+++ b/nip17.ts
@@ -1,5 +1,5 @@
 import { PrivateDirectMessage } from './kinds.ts'
-import { EventTemplate, getPublicKey } from './pure.ts'
+import { EventTemplate, NostrEvent, getPublicKey } from './pure.ts'
 import * as nip59 from './nip59.ts'
 
 type Recipient = {
@@ -48,7 +48,7 @@ export function wrapEvent(
   message: string,
   conversationTitle?: string,
   replyTo?: ReplyTo,
-) {
+): NostrEvent {
   const event = createEvent(recipient, message, conversationTitle, replyTo)
   return nip59.wrapEvent(event, senderPrivateKey, recipient.publicKey)
 }
@@ -59,22 +59,17 @@ export function wrapManyEvents(
   message: string,
   conversationTitle?: string,
   replyTo?: ReplyTo,
-) {
+): NostrEvent[] {
   if (!recipients || recipients.length === 0) {
     throw new Error('At least one recipient is required.')
   }
 
   const senderPublicKey = getPublicKey(senderPrivateKey)
 
-  // Initialize the wrappeds array with the sender's own wrapped event
-  const wrappeds = [wrapEvent(senderPrivateKey, { publicKey: senderPublicKey }, message, conversationTitle, replyTo)]
-
-  // Wrap the event for each recipient
-  recipients.forEach(recipient => {
-    wrappeds.push(wrapEvent(senderPrivateKey, recipient, message, conversationTitle, replyTo))
-  })
-
-  return wrappeds
+  // wrap the event for the sender and then for each recipient
+  return [{ publicKey: senderPublicKey }, ...recipients].map(recipient =>
+    wrapEvent(senderPrivateKey, recipient, message, conversationTitle, replyTo),
+  )
 }
 
 export const unwrapEvent = nip59.unwrapEvent
diff --git a/nip59.ts b/nip59.ts
index 4cbd76e..3db94fa 100644
--- a/nip59.ts
+++ b/nip59.ts
@@ -1,4 +1,4 @@
-import { EventTemplate, UnsignedEvent, Event } from './core.ts'
+import { EventTemplate, UnsignedEvent, NostrEvent } from './core.ts'
 import { getConversationKey, decrypt, encrypt } from './nip44.ts'
 import { getEventHash, generateSecretKey, finalizeEvent, getPublicKey } from './pure.ts'
 import { Seal, GiftWrap } from './kinds.ts'
@@ -15,10 +15,10 @@ const nip44ConversationKey = (privateKey: Uint8Array, publicKey: string) => getC
 const nip44Encrypt = (data: EventTemplate, privateKey: Uint8Array, publicKey: string) =>
   encrypt(JSON.stringify(data), nip44ConversationKey(privateKey, publicKey))
 
-const nip44Decrypt = (data: Event, privateKey: Uint8Array) =>
+const nip44Decrypt = (data: NostrEvent, privateKey: Uint8Array) =>
   JSON.parse(decrypt(data.content, nip44ConversationKey(privateKey, data.pubkey)))
 
-export function createRumor(event: Partial<UnsignedEvent>, privateKey: Uint8Array) {
+export function createRumor(event: Partial<UnsignedEvent>, privateKey: Uint8Array): Rumor {
   const rumor = {
     created_at: now(),
     content: '',
@@ -32,7 +32,7 @@ export function createRumor(event: Partial<UnsignedEvent>, privateKey: Uint8Arra
   return rumor as Rumor
 }
 
-export function createSeal(rumor: Rumor, privateKey: Uint8Array, recipientPublicKey: string) {
+export function createSeal(rumor: Rumor, privateKey: Uint8Array, recipientPublicKey: string): NostrEvent {
   return finalizeEvent(
     {
       kind: Seal,
@@ -41,10 +41,10 @@ export function createSeal(rumor: Rumor, privateKey: Uint8Array, recipientPublic
       tags: [],
     },
     privateKey,
-  ) as Event
+  )
 }
 
-export function createWrap(seal: Event, recipientPublicKey: string) {
+export function createWrap(seal: NostrEvent, recipientPublicKey: string): NostrEvent {
   const randomKey = generateSecretKey()
 
   return finalizeEvent(
@@ -55,10 +55,14 @@ export function createWrap(seal: Event, recipientPublicKey: string) {
       tags: [['p', recipientPublicKey]],
     },
     randomKey,
-  ) as Event
+  ) as NostrEvent
 }
 
-export function wrapEvent(event: Partial<UnsignedEvent>, senderPrivateKey: Uint8Array, recipientPublicKey: string) {
+export function wrapEvent(
+  event: Partial<UnsignedEvent>,
+  senderPrivateKey: Uint8Array,
+  recipientPublicKey: string,
+): NostrEvent {
   const rumor = createRumor(event, senderPrivateKey)
 
   const seal = createSeal(rumor, senderPrivateKey, recipientPublicKey)
@@ -69,7 +73,7 @@ export function wrapManyEvents(
   event: Partial<UnsignedEvent>,
   senderPrivateKey: Uint8Array,
   recipientsPublicKeys: string[],
-) {
+): NostrEvent[] {
   if (!recipientsPublicKeys || recipientsPublicKeys.length === 0) {
     throw new Error('At least one recipient is required.')
   }
@@ -85,12 +89,12 @@ export function wrapManyEvents(
   return wrappeds
 }
 
-export function unwrapEvent(wrap: Event, recipientPrivateKey: Uint8Array): Rumor {
+export function unwrapEvent(wrap: NostrEvent, recipientPrivateKey: Uint8Array): Rumor {
   const unwrappedSeal = nip44Decrypt(wrap, recipientPrivateKey)
   return nip44Decrypt(unwrappedSeal, recipientPrivateKey)
 }
 
-export function unwrapManyEvents(wrappedEvents: Event[], recipientPrivateKey: Uint8Array): Rumor[] {
+export function unwrapManyEvents(wrappedEvents: NostrEvent[], recipientPrivateKey: Uint8Array): Rumor[] {
   let unwrappedEvents: Rumor[] = []
 
   wrappedEvents.forEach(e => {