diff --git a/example.mjs b/example.mjs
index c2b5616..120f9b0 100644
--- a/example.mjs
+++ b/example.mjs
@@ -3,17 +3,17 @@ import CoreStorage from './index.js'
 const s = new CoreStorage('/tmp/rocks')
 const c = s.get(Buffer.alloc(32))
 
-if (!(await c.open())) await c.create()
+if (!(await c.open())) await c.create({ key: Buffer.alloc(32) })
 
 const w = c.createWriteBatch()
 
-w.addTreeNode({
+w.putTreeNode({
   index: 42,
   hash: Buffer.alloc(32),
   size: 10
 })
 
-w.addTreeNode({
+w.putTreeNode({
   index: 43,
   hash: Buffer.alloc(32),
   size: 10
diff --git a/index.js b/index.js
index 72776fa..aaaa628 100644
--- a/index.js
+++ b/index.js
@@ -377,8 +377,13 @@ class HypercoreStorage {
     db.setDataInfo({ version: 0 })
   }
 
-  createReadBatch () {
-    return new ReadBatch(this, this.db.read())
+  snapshot () {
+    return this.db.snapshot()
+  }
+
+  createReadBatch (opts) {
+    const snapshot = opts && opts.snapshot
+    return new ReadBatch(this, this.db.read({ snapshot }))
   }
 
   createWriteBatch () {
@@ -556,7 +561,7 @@ function ensureSlab (size) {
 }
 
 function encodeIndexRange (pointer, type, opts) {
-  const bounded = { gt: null, gte: null, lte: null, lt: null, reverse: !!opts.reverse, limit: opts.limit || Infinity }
+  const bounded = { snapshot: opts.snapshot, gt: null, gte: null, lte: null, lt: null, reverse: !!opts.reverse, limit: opts.limit || Infinity }
 
   if (opts.gt || opts.gt === 0) bounded.gt = encodeDataIndex(pointer, type, opts.gt)
   else if (opts.gte) bounded.gte = encodeDataIndex(pointer, type, opts.gte)