diff --git a/design/bridge-eth-mina.puml b/design/bridge-eth-mina.puml
new file mode 100644
index 0000000..88f6ba1
--- /dev/null
+++ b/design/bridge-eth-mina.puml
@@ -0,0 +1,83 @@
+@startuml 1
+title Lock From Eth to Mina
+actor User
+boundary fe as "Frontend"
+control be as "Backend"
+boundary evm_crawler as "EVM crawler"
+boundary mina_validator as "Mina signature validators"
+boundary mina_sender as "Mina tx sender"
+boundary mina_crawler as "Mina crawler"
+participant Ethereum
+participant Mina
+database db as "Database"
+autonumber
+
+group#LightGreen User lock token from Evm
+
+    User -> fe : select network to bridge
+
+    activate fe
+    fe -> be : get list of token pairs
+    activate be
+    be --> fe : list of token pairs
+    deactivate be
+
+    User -> fe: select destination wallet, amount
+    fe --> User: display amount, tip, fee
+    User -> fe: perform bridge action
+    fe -> Ethereum: call lock tx using user's wallet
+    activate Ethereum
+    Ethereum --> fe: tx status success
+    deactivate Ethereum
+
+    fe --> User: show popup success
+    deactivate fe
+
+
+end
+group#LightGreen Crawler evm fetch lock tx
+    evm_crawler->Ethereum: fetch lock events
+    activate Ethereum
+    Ethereum --> evm_crawler: return locked tx events
+    deactivate Ethereum
+
+    evm_crawler -> db: save tx to be unlock in Mina
+    activate db
+    db --> evm_crawler: saved tx with status waiting to be unlocked
+    deactivate db
+end
+group#LightGreen System unlock token to Mina
+
+    mina_validator -> db: get pending unlock tx and verify theirs signature
+    activate mina_validator
+    activate db
+    db --> mina_validator: update signature
+    deactivate db
+    deactivate mina_validator
+
+    mina_sender -> db: get signatured verified tx
+    activate db
+    activate mina_sender
+    db -> mina_sender: return tx
+    deactivate db
+
+    mina_sender -> Mina: prove, send tx
+    activate Mina
+    Mina --> mina_sender: return tx hash
+    deactivate Mina
+    deactivate mina_sender
+
+    mina_crawler -> Mina: get unlock events
+    activate mina_crawler
+    activate Mina
+    Mina --> mina_crawler: events unlock
+    deactivate Mina
+    mina_crawler ->db: mark tx unlock as completed
+    activate db
+    db -> mina_crawler: update completed
+    deactivate mina_crawler
+    deactivate db
+end
+
+@enduml
+
diff --git a/design/bridge-mina-eth.puml b/design/bridge-mina-eth.puml
new file mode 100644
index 0000000..f30d367
--- /dev/null
+++ b/design/bridge-mina-eth.puml
@@ -0,0 +1,83 @@
+@startuml 2
+title Lock From Mina to Eth
+actor User
+boundary fe as "Frontend"
+control be as "Backend"
+boundary evm_crawler as "Mina crawler"
+boundary mina_validator as "Mina signature validators"
+boundary mina_sender as "Evm tx sender"
+boundary mina_crawler as "Evm crawler"
+participant Ethereum as "Mina"
+participant Mina as "Evm"
+database db as "Database"
+autonumber
+
+group#LightGreen User lock token from Mina
+
+    User -> fe : select network to bridge
+
+    activate fe
+    fe -> be : get list of token pairs
+    activate be
+    be --> fe : list of token pairs
+    deactivate be
+
+    User -> fe: select destination wallet, amount
+    fe --> User: display amount, tip, fee
+    User -> fe: perform bridge action
+    fe -> Ethereum: call lock tx using user's wallet
+    activate Ethereum
+    Ethereum --> fe: tx status success
+    deactivate Ethereum
+
+    fe --> User: show popup success
+    deactivate fe
+
+
+end
+group#LightGreen Crawler Mina fetch lock tx
+    evm_crawler->Ethereum: fetch lock events
+    activate Ethereum
+    Ethereum --> evm_crawler: return locked tx events
+    deactivate Ethereum
+
+    evm_crawler -> db: save tx to be unlock in Mina
+    activate db
+    db --> evm_crawler: saved tx with status waiting to be unlocked
+    deactivate db
+end
+group#LightGreen System unlock token to Evm
+
+    mina_validator -> db: get pending unlock tx and verify theirs signature
+    activate mina_validator
+    activate db
+    db --> mina_validator: update signature
+    deactivate db
+    deactivate mina_validator
+
+    mina_sender -> db: get signatured verified tx
+    activate db
+    activate mina_sender
+    db -> mina_sender: return tx
+    deactivate db
+
+    mina_sender -> Mina: prove, send tx
+    activate Mina
+    Mina --> mina_sender: return tx hash
+    deactivate Mina
+    deactivate mina_sender
+
+    mina_crawler -> Mina: get unlock events
+    activate mina_crawler
+    activate Mina
+    Mina --> mina_crawler: events unlock
+    deactivate Mina
+    mina_crawler ->db: mark tx unlock as completed
+    activate db
+    db -> mina_crawler: update completed
+    deactivate mina_crawler
+    deactivate db
+end
+
+@enduml
+
diff --git a/src/modules/crawler/sender.minabridge.ts b/src/modules/crawler/sender.minabridge.ts
index 813baec..8dabf1f 100644
--- a/src/modules/crawler/sender.minabridge.ts
+++ b/src/modules/crawler/sender.minabridge.ts
@@ -167,7 +167,7 @@ export class SenderMinaBridge {
     }
   }
 
-  private async callUnlockFunction(amount, txId, receiveAddress) {
+  private async callUnlockFunction(amount: string, txId: number, receiveAddress: string) {
     try {
       const generatedSignatures = await this.multiSignatureRepository.findBy({
         txId,
@@ -175,7 +175,7 @@ export class SenderMinaBridge {
       const signatureData = generatedSignatures
         .map(e => [Bool(true), PublicKey.fromBase58(e.validator), Signature.fromJSON(JSON.parse(e.signature))])
         .flat(1);
-      this.logger.info(`Found ${generatedSignatures.length} signatures.`);
+      this.logger.info(`Found ${generatedSignatures.length} signatures for txId= ${txId}`);
       this.logger.info('compile the contract...');
       await this.compileContract();
 
@@ -200,7 +200,7 @@ export class SenderMinaBridge {
 
       const typedAmount = UInt64.from(amount);
 
-      this.logger.info('Receivier token account status = ', hasAccount);
+      this.logger.info(`Addr ${receiveAddress} token account status =  ${hasAccount}`);
       // compile the contract to create prover keys
 
       this.logger.info('build transaction and create proof...');
diff --git a/src/modules/users/dto/common-config-request.dto.ts b/src/modules/users/dto/common-config-request.dto.ts
index e90db4c..edb6978 100644
--- a/src/modules/users/dto/common-config-request.dto.ts
+++ b/src/modules/users/dto/common-config-request.dto.ts
@@ -3,14 +3,12 @@ import { NumberField } from '../../../shared/decorators/field.decorator.js';
 export class UpdateCommonConfigBodyDto {
   @NumberField({
     example: 50,
-    maximum: 100,
     required: false,
   })
   tip: number;
 
   @NumberField({
     example: 500,
-    maximum: 100,
     required: false,
   })
   dailyQuota: number;