diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 1d44d1ca9..a49e8cf86 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -30,17 +30,6 @@ jobs:
         # size and performance optimized binary with profile.cli
         run: cargo b --release -p libra
 
-      # release bin
-      - name: libra publish
-        if: ${{ !contains(github.ref, 'ci-bins') }}
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: target/release/libra
-          tag: ${{ github.ref }}
-          overwrite: true
-          file_glob: true
-
       # CI bin
       - name: libra publish
         if: ${{ contains(github.ref, 'ci-bins') }}
diff --git a/framework/libra-framework/sources/ol_sources/activity.move b/framework/libra-framework/sources/ol_sources/activity.move
new file mode 100644
index 000000000..b40d2b0de
--- /dev/null
+++ b/framework/libra-framework/sources/ol_sources/activity.move
@@ -0,0 +1,26 @@
+
+/// Maintains the version number for the blockchain.
+module ol_framework::activity {
+  use std::signer;
+
+  friend diem_framework::transaction_validation;
+
+  struct Activity has key {
+    timestamp: u64,
+  }
+
+  fun lazy_initialize(user: &signer, timestamp: u64) {
+    if (!exists<Activity>(signer::address_of(user))) {
+      move_to<Activity>(user, Activity {
+        timestamp
+      })
+    }
+  }
+  public(friend) fun increment(user: &signer, timestamp: u64) acquires Activity {
+    lazy_initialize(user, timestamp);
+
+    let state = borrow_global_mut<Activity>(signer::address_of(user));
+    state.timestamp = timestamp;
+
+  }
+}
diff --git a/framework/libra-framework/sources/transaction_validation.move b/framework/libra-framework/sources/transaction_validation.move
index 41b9ba611..10ffa0a71 100644
--- a/framework/libra-framework/sources/transaction_validation.move
+++ b/framework/libra-framework/sources/transaction_validation.move
@@ -5,14 +5,14 @@ module diem_framework::transaction_validation {
     use std::vector;
 
     use diem_framework::account;
-    // use diem_framework::diem_coin::DiemCoin;
-    use ol_framework::libra_coin::{Self, LibraCoin};
     use diem_framework::chain_id;
     use diem_framework::coin;
     use diem_framework::system_addresses;
     use diem_framework::timestamp;
     use diem_framework::transaction_fee;
 
+    use ol_framework::libra_coin::{Self, LibraCoin};
+    use ol_framework::activity;
     // use diem_std::debug::print;
 
     friend diem_framework::genesis;
@@ -75,8 +75,9 @@ module diem_framework::transaction_validation {
         txn_expiration_time: u64,
         chain_id: u8,
     ) {
+        let time = timestamp::now_seconds();
         assert!(
-            timestamp::now_seconds() < txn_expiration_time,
+            time < txn_expiration_time,
             error::invalid_argument(PROLOGUE_ETRANSACTION_EXPIRED),
         );
         assert!(chain_id::get() == chain_id, error::invalid_argument(PROLOGUE_EBAD_CHAIN_ID));
@@ -113,6 +114,8 @@ module diem_framework::transaction_validation {
         );
         let balance = libra_coin::balance(transaction_sender);
         assert!(balance >= max_transaction_fee, error::invalid_argument(PROLOGUE_ECANT_PAY_GAS_DEPOSIT));
+
+        activity::increment(&sender, time);
     }
 
     fun module_prologue(
@@ -204,6 +207,7 @@ module diem_framework::transaction_validation {
             // later redistribution.
             transaction_fee::collect_fee(addr, transaction_fee_amount);
         };
+
         // Increment sequence number
         account::increment_sequence_number(addr);
     }