diff --git a/packages/status-js/src/account.test.ts b/packages/status-js/src/account.test.ts
index 32c7bde2..c953a55c 100644
--- a/packages/status-js/src/account.test.ts
+++ b/packages/status-js/src/account.test.ts
@@ -8,10 +8,10 @@ describe('Account', () => {
   it('should verify the signature', async () => {
     const account = new Account()
 
-    const message = '123'
-    const messageHash = keccak256(utf8ToBytes(message))
+    const message = utf8ToBytes('123')
+    const messageHash = keccak256(message)
 
-    const signature = await account.sign(message)
+    const signature = await account.signMessage(message)
 
     expect(secp.verify(signature, messageHash, account.publicKey)).toBeTruthy()
   })
@@ -19,10 +19,10 @@ describe('Account', () => {
   it('should not verify signature with different message', async () => {
     const account = new Account()
 
-    const message = '123'
-    const messageHash = keccak256(utf8ToBytes(message))
+    const message = utf8ToBytes('123')
+    const messageHash = keccak256(message)
 
-    const signature = await account.sign('abc')
+    const signature = await account.signMessage(utf8ToBytes('abc'))
 
     expect(secp.verify(signature, messageHash, account.publicKey)).toBeFalsy()
   })
diff --git a/packages/status-js/src/account.ts b/packages/status-js/src/account.ts
index 70903dfe..7fe54345 100644
--- a/packages/status-js/src/account.ts
+++ b/packages/status-js/src/account.ts
@@ -1,25 +1,24 @@
 import { keccak256 } from 'ethereum-cryptography/keccak'
 import { getPublicKey, sign, utils } from 'ethereum-cryptography/secp256k1'
-import { bytesToHex, utf8ToBytes } from 'ethereum-cryptography/utils'
-
-import { privateKeyToAddress } from './utils/private-key-to-address'
+import { bytesToHex } from 'ethereum-cryptography/utils'
 
 export class Account {
   public privateKey: string
   public publicKey: string
-  public address: string
+  public chatKey: string
 
   constructor() {
     const privateKey = utils.randomPrivateKey()
     const publicKey = getPublicKey(privateKey)
+    const chatKey = getPublicKey(privateKey, true)
 
     this.privateKey = bytesToHex(privateKey)
     this.publicKey = bytesToHex(publicKey)
-    this.address = privateKeyToAddress(this.privateKey)
+    this.chatKey = bytesToHex(chatKey)
   }
 
-  sign = (payload: string) => {
-    const hash = keccak256(utf8ToBytes(payload))
+  signMessage = (payload: Uint8Array) => {
+    const hash = keccak256(payload)
     return sign(hash, this.privateKey)
   }
 }