diff --git a/src/app/components/account/account.component.html b/src/app/components/account/account.component.html
index 72ca071..2a0abc4 100644
--- a/src/app/components/account/account.component.html
+++ b/src/app/components/account/account.component.html
@@ -29,7 +29,7 @@ <h2 class="card-title">Balance</h2>
           class="btn btn-outline-primary btn-circle mr-2"
           (click)="
             openLink(
-              'https://widget.wert.io/default/widget/?commodity=XTZ%3ATezos&address=' +
+              'https://widget.wert.io/01HNMCSXNZFNNFY1KG2ECE95A7/widget/?commodity=XTZ%3ATezos&address=' +
                 address
             )
           "
diff --git a/src/app/components/operations/operations.component.html b/src/app/components/operations/operations.component.html
index a7bf3d0..e131d11 100644
--- a/src/app/components/operations/operations.component.html
+++ b/src/app/components/operations/operations.component.html
@@ -38,7 +38,7 @@ <h2 class="card-title">Operations</h2>
           class="btn btn-outline-primary btn-circle mr-2"
           (click)="
             openLink(
-              'https://widget.wert.io/default/widget/?commodity=XTZ%3ATezos&address=' +
+              'https://widget.wert.io/01HNMCSXNZFNNFY1KG2ECE95A7/widget/?commodity=XTZ%3ATezos&address=' +
                 address
             )
           "
diff --git a/src/app/utils/tezos/constants.ts b/src/app/utils/tezos/constants.ts
index 51c30f6..d06c6e8 100644
--- a/src/app/utils/tezos/constants.ts
+++ b/src/app/utils/tezos/constants.ts
@@ -1,6 +1,6 @@
-export const MAX_GAS_PER_BLOCK = 2600000;
-export const GAS_LIMIT_PLACEHOLDER = '1040000';
-export const STORAGE_LIMIT_PLACEHOLDER = '60000';
+export const MAX_GAS_PER_BLOCK = 1733333;
+export const GAS_LIMIT_PER_OPERATION = '1040000';
+export const STORAGE_LIMIT_PER_OPERATION = '60000';
 export const FEE_PLACEHOLDER = '0';
 
 export const DEFAULT_GAS_LIMIT = '10300';
diff --git a/src/app/utils/tezos/estimate-fee.ts b/src/app/utils/tezos/estimate-fee.ts
index cc03e7a..8aa5b15 100644
--- a/src/app/utils/tezos/estimate-fee.ts
+++ b/src/app/utils/tezos/estimate-fee.ts
@@ -15,8 +15,8 @@ import {
 } from './types';
 import {
   MAX_GAS_PER_BLOCK,
-  GAS_LIMIT_PLACEHOLDER,
-  STORAGE_LIMIT_PLACEHOLDER,
+  GAS_LIMIT_PER_OPERATION,
+  STORAGE_LIMIT_PER_OPERATION,
   FEE_PLACEHOLDER,
   MINIMAL_FEE,
   MINIMAL_FEE_PER_BYTE,
@@ -126,14 +126,14 @@ const sumUpFees = async (
 
       if (
         ((operation as any).gas_limit && overrideParameters) ||
-        (operation as any).gas_limit === GAS_LIMIT_PLACEHOLDER
+        (operation as any).gas_limit === GAS_LIMIT_PER_OPERATION
       ) {
         (operation as any).gas_limit = gasLimit.toString();
       }
 
       if (
         ((operation as any).storage_limit && overrideParameters) ||
-        (operation as any).storage_limit === STORAGE_LIMIT_PLACEHOLDER
+        (operation as any).storage_limit === STORAGE_LIMIT_PER_OPERATION
       ) {
         (operation as any).storage_limit = storageLimit.toString();
       }
@@ -173,9 +173,9 @@ export const estimateAndReplaceLimitsAndFee = async (
     const gasValue = new BigNumber(MAX_GAS_PER_BLOCK).dividedToIntegerBy(
       tezosWrappedOperation.contents.length,
     );
-    const gasLimit = new BigNumber(GAS_LIMIT_PLACEHOLDER).gt(gasValue)
+    const gasLimit = new BigNumber(GAS_LIMIT_PER_OPERATION).gt(gasValue)
       ? gasValue
-      : GAS_LIMIT_PLACEHOLDER;
+      : GAS_LIMIT_PER_OPERATION;
     const counter = startingCounter
       ? startingCounter.plus(i).toString()
       : op.counter;
diff --git a/src/app/utils/tezos/prepare-operations.ts b/src/app/utils/tezos/prepare-operations.ts
index 9ff6d94..f6cbadd 100644
--- a/src/app/utils/tezos/prepare-operations.ts
+++ b/src/app/utils/tezos/prepare-operations.ts
@@ -14,8 +14,8 @@ import {
   ALLOCATION_STORAGE_LIMIT,
   DEFAULT_GAS_LIMIT,
   FEE_PLACEHOLDER,
-  GAS_LIMIT_PLACEHOLDER,
-  STORAGE_LIMIT_PLACEHOLDER,
+  GAS_LIMIT_PER_OPERATION,
+  STORAGE_LIMIT_PER_OPERATION,
 } from './constants';
 import { estimateAndReplaceLimitsAndFee } from './estimate-fee';
 import { getBalanceOfAddress } from './get-balance-of-address';
@@ -93,10 +93,10 @@ export const handleTransactionOperation = async (
   transactionOperation.counter = transactionOperation.counter ?? defaultCounter;
   transactionOperation.fee = transactionOperation.fee ?? defaultFee;
   transactionOperation.gas_limit =
-    transactionOperation.gas_limit ?? GAS_LIMIT_PLACEHOLDER;
+    transactionOperation.gas_limit ?? GAS_LIMIT_PER_OPERATION;
 
   transactionOperation.storage_limit =
-    transactionOperation.storage_limit ?? STORAGE_LIMIT_PLACEHOLDER;
+    transactionOperation.storage_limit ?? STORAGE_LIMIT_PER_OPERATION;
 
   return transactionOperation;
 };
@@ -122,10 +122,10 @@ export const handleOriginationOperation = async (
   originationOperation.counter = originationOperation.counter ?? defaultCounter;
   originationOperation.fee = originationOperation.fee ?? defaultFee;
   originationOperation.gas_limit =
-    originationOperation.gas_limit ?? GAS_LIMIT_PLACEHOLDER;
+    originationOperation.gas_limit ?? GAS_LIMIT_PER_OPERATION;
 
   originationOperation.storage_limit =
-    originationOperation.storage_limit ?? STORAGE_LIMIT_PLACEHOLDER;
+    originationOperation.storage_limit ?? STORAGE_LIMIT_PER_OPERATION;
 
   return originationOperation;
 };