diff --git a/package.json b/package.json
index c3043ce19..2f7e4dbef 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "tracker": "node ./tracker-server/index.js"
   },
   "dependencies": {
-    "@ainblockchain/ain-util": "^1.1.9",
+    "@ainblockchain/ain-util": "^1.2.1",
     "@google-cloud/logging-bunyan": "^3.2.0",
     "@google-cloud/logging-winston": "^4.0.2",
     "JSONStream": "^1.3.5",
diff --git a/tools/account/seedPhraseToAccounts.js b/tools/account/seedPhraseToAccounts.js
index c56c9028a..48b6927d0 100644
--- a/tools/account/seedPhraseToAccounts.js
+++ b/tools/account/seedPhraseToAccounts.js
@@ -12,7 +12,7 @@ async function seedPhraseToAccount(numAccounts) {
     hidden: true,
   }]);
   for (let i = 0; i < numAccounts; i++) {
-    const account = ainUtil.mnemonicToAccount(input.seedPhrase, i);
+    const account = ainUtil.mnemonicToAccount(input.seedPhrase, i, 'ETH');
     console.log(`\nAccount #${i}`);
     console.log(account);
   }
diff --git a/tools/transfer/sendTransferTx.js b/tools/transfer/sendTransferTx.js
index 361fdd784..48a37efe7 100644
--- a/tools/transfer/sendTransferTx.js
+++ b/tools/transfer/sendTransferTx.js
@@ -17,7 +17,10 @@ function buildTransferTxBody(fromAddr, toAddr, key, amount, timestamp) {
     },
     gas_price: 500,
     timestamp,
+    // NOTE(platfowner): Nonce value can be changed manually for ordered or numbered transactions.
     nonce: -1
+    // nonce: -2
+    // nonce: N  // 0, 1, 2, ...
   }
 }
 
diff --git a/yarn.lock b/yarn.lock
index 663fbf777..63c8756db 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@ainblockchain/ain-util@^1.1.9":
-  version "1.1.9"
-  resolved "https://registry.yarnpkg.com/@ainblockchain/ain-util/-/ain-util-1.1.9.tgz#4369547af354d84229c5b0f1fd4e93e8497d6227"
-  integrity sha512-u3q0h0zwWk+vzZ6VpBZiagVKJbNw/Dw4LVjBAhOvgPCx/E3jHHQCufIMDGqD4wjeBuHVtTAQyMTv7LRPSZFBGg==
+"@ainblockchain/ain-util@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@ainblockchain/ain-util/-/ain-util-1.2.0.tgz#d2ac228c729cae9f87e8d43120ab0b4fab9de436"
+  integrity sha512-M0hjvyOSNurTVW1J5sW2zQoAqhry06OAInN3Mz9ARHde19rV2e23hob9laXQTayFUAYRQ5BZqITW9qtOL6HP7A==
   dependencies:
     bip39 "^3.0.4"
     bn.js "^4.11.8"