diff --git a/Cargo.lock b/Cargo.lock
index 16baf5a4..c49395a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2915,6 +2915,7 @@ dependencies = [
  "nssa",
  "nssa_core",
  "rand 0.8.5",
+ "secp256k1",
  "serde",
  "sha2",
  "thiserror 2.0.17",
diff --git a/integration_tests/src/lib.rs b/integration_tests/src/lib.rs
index 12d718ec..ecccc99f 100644
--- a/integration_tests/src/lib.rs
+++ b/integration_tests/src/lib.rs
@@ -21,8 +21,8 @@ use wallet::{WalletCore, config::WalletConfigOverrides};
 // TODO: Remove this and control time from tests
 pub const TIME_TO_WAIT_FOR_BLOCK_SECONDS: u64 = 12;
 
-pub const ACC_SENDER: &str = "BLgCRDXYdQPMMWVHYRFGQZbgeHx9frkipa8GtpG2Syqy";
-pub const ACC_RECEIVER: &str = "Gj1mJy5W7J5pfmLRujmQaLfLMWidNxQ6uwnhb666ZwHw";
+pub const ACC_SENDER: &str = "6iArKUXxhUJqS7kCaPNhwMWt3ro71PDyBj7jwAyE2VQV";
+pub const ACC_RECEIVER: &str = "7wHg9sbJwc6h3NP1S9bekfAzB8CHifEcxKswCKUt3YQo";
 
 pub const ACC_SENDER_PRIVATE: &str = "3oCG8gqdKLMegw4rRfyaMQvuPHpcASt7xwttsmnZLSkw";
 pub const ACC_RECEIVER_PRIVATE: &str = "AKTcXgJ1xoynta1Ec7y6Jso1z1JQtHqd7aPQ1h9er6xX";
diff --git a/sequencer_core/src/lib.rs b/sequencer_core/src/lib.rs
index 3edb8869..ee4b66a0 100644
--- a/sequencer_core/src/lib.rs
+++ b/sequencer_core/src/lib.rs
@@ -302,11 +302,13 @@ mod tests {
 
     fn setup_sequencer_config() -> SequencerConfig {
         let acc1_account_id: Vec<u8> = vec![
-            148, 179, 206, 253, 199, 51, 82, 86, 232, 2, 152, 122, 80, 243, 54, 207, 237, 112, 83, 153, 44, 59, 204, 49, 128, 84, 160, 227, 216, 149, 97, 102
+            148, 179, 206, 253, 199, 51, 82, 86, 232, 2, 152, 122, 80, 243, 54, 207, 237, 112, 83,
+            153, 44, 59, 204, 49, 128, 84, 160, 227, 216, 149, 97, 102,
         ];
 
         let acc2_account_id: Vec<u8> = vec![
-            30, 145, 107, 3, 207, 73, 192, 230, 160, 63, 238, 207, 18, 69, 54, 216, 103, 244, 92, 94, 124, 248, 42, 16, 141, 19, 119, 18, 14, 226, 140, 204
+            30, 145, 107, 3, 207, 73, 192, 230, 160, 63, 238, 207, 18, 69, 54, 216, 103, 244, 92,
+            94, 124, 248, 42, 16, 141, 19, 119, 18, 14, 226, 140, 204,
         ];
 
         let initial_acc1 = AccountInitialData {
@@ -585,7 +587,6 @@ mod tests {
             acc1, 0, acc2, 100, sign_key1,
         );
 
-        
         sequencer
             .execute_check_transaction_on_state(parse_unwrap_tx_body_into_nssa_tx(tx))
             .unwrap();
diff --git a/sequencer_runner/configs/docker/sequencer_config.json b/sequencer_runner/configs/docker/sequencer_config.json
index 56101f46..8ac66d48 100644
--- a/sequencer_runner/configs/docker/sequencer_config.json
+++ b/sequencer_runner/configs/docker/sequencer_config.json
@@ -9,11 +9,11 @@
     "port": 3040,
     "initial_accounts": [
         {
-            "account_id": "BLgCRDXYdQPMMWVHYRFGQZbgeHx9frkipa8GtpG2Syqy",
+            "account_id": "6iArKUXxhUJqS7kCaPNhwMWt3ro71PDyBj7jwAyE2VQV",
             "balance": 10000
         },
         {
-            "account_id": "Gj1mJy5W7J5pfmLRujmQaLfLMWidNxQ6uwnhb666ZwHw",
+            "account_id": "7wHg9sbJwc6h3NP1S9bekfAzB8CHifEcxKswCKUt3YQo",
             "balance": 20000
         }
     ],
diff --git a/wallet/configs/debug/wallet_config.json b/wallet/configs/debug/wallet_config.json
index f656e5df..14d9f716 100644
--- a/wallet/configs/debug/wallet_config.json
+++ b/wallet/configs/debug/wallet_config.json
@@ -46,7 +46,7 @@
       }
     },
     {
-      "Public": { 
+      "Public": {
         "account_id": "7wHg9sbJwc6h3NP1S9bekfAzB8CHifEcxKswCKUt3YQo",
         "pub_sign_key": [
           113,
@@ -544,4 +544,4 @@
     }
   ],
   "basic_auth": null
-}
+}
\ No newline at end of file
diff --git a/wallet/src/chain_storage.rs b/wallet/src/chain_storage.rs
index 7d8ed505..0eba1816 100644
--- a/wallet/src/chain_storage.rs
+++ b/wallet/src/chain_storage.rs
@@ -167,7 +167,7 @@ mod tests {
         let initial_acc1 = serde_json::from_str(
             r#"{
             "Public": {
-                "account_id": "BLgCRDXYdQPMMWVHYRFGQZbgeHx9frkipa8GtpG2Syqy",
+                "account_id": "6iArKUXxhUJqS7kCaPNhwMWt3ro71PDyBj7jwAyE2VQV",
                 "pub_sign_key": [
                     16,
                     162,
@@ -210,7 +210,7 @@ mod tests {
         let initial_acc2 = serde_json::from_str(
             r#"{
             "Public": {
-                "account_id": "Gj1mJy5W7J5pfmLRujmQaLfLMWidNxQ6uwnhb666ZwHw",
+                "account_id": "7wHg9sbJwc6h3NP1S9bekfAzB8CHifEcxKswCKUt3YQo",
                 "pub_sign_key": [
                     113,
                     121,
diff --git a/wallet/src/config.rs b/wallet/src/config.rs
index 45407b6d..2ea88f0f 100644
--- a/wallet/src/config.rs
+++ b/wallet/src/config.rs
@@ -235,7 +235,7 @@ impl Default for WalletConfig {
                 [
         {
             "Public": {
-                "account_id": "BLgCRDXYdQPMMWVHYRFGQZbgeHx9frkipa8GtpG2Syqy",
+                "account_id": "6iArKUXxhUJqS7kCaPNhwMWt3ro71PDyBj7jwAyE2VQV",
                 "pub_sign_key": [
                     16,
                     162,
@@ -274,7 +274,7 @@ impl Default for WalletConfig {
         },
         {
             "Public": {
-                "account_id": "Gj1mJy5W7J5pfmLRujmQaLfLMWidNxQ6uwnhb666ZwHw",
+                "account_id": "7wHg9sbJwc6h3NP1S9bekfAzB8CHifEcxKswCKUt3YQo",
                 "pub_sign_key": [
                     113,
                     121,