diff --git a/eslint.config.mjs b/eslint.config.mjs
index 99d2cb2..dba45fa 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -81,7 +81,7 @@ export default tseslint.config(
           caughtErrorsIgnorePattern: '^_',
         },
       ],
-      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/no-explicit-any': ['error', { ignoreRestArgs: true }],
       '@typescript-eslint/ban-ts-comment': 'off',
       '@typescript-eslint/no-misused-promises': ['error', { checksVoidReturn: false }],
       '@typescript-eslint/no-empty-object-type': 'off',
diff --git a/packages/contract.cm/src/onchain/addWord.ts b/packages/contract.cm/src/onchain/addWord.ts
index 715dbda..46d7e1f 100644
--- a/packages/contract.cm/src/onchain/addWord.ts
+++ b/packages/contract.cm/src/onchain/addWord.ts
@@ -1,5 +1,5 @@
 import { constructClaim } from '@coinweb/contract-kit';
-import { readOp, storeOp, cwait } from 'cwait';
+import { readOp, storeOp, cwait, queue } from 'cwait';
 
 import { TypedClaim } from '../../../lib/dist/shared/types';
 import { AddWordArgs, createWordKey, WordClaimBody } from '../offchain/shared';
@@ -26,6 +26,16 @@ export const addWord = cwait(async (...[word]: AddWordArgs) => {
   console.log('await storeOp');
   await storeOp(constructClaim(createWordKey(id), { word }, '0x0'));
 
+  await queue(async () => {
+    console.log('await readOp');
+    const res = await readOp<TypedClaim<WordClaimBody>>(createWordKey(id));
+
+    console.log('await storeOp2');
+    await storeOp(
+      constructClaim(createWordKey(id + id), { word: (res?.body.word ?? '') + (res?.body.word ?? '') }, '0x0')
+    );
+  });
+
   console.log('await extraLogic');
   const wordClaim = await extraLogic(id);
 
diff --git a/packages/contract.cm/src/onchain/contract.ts b/packages/contract.cm/src/onchain/contract.ts
index 1b5d48d..800500b 100644
--- a/packages/contract.cm/src/onchain/contract.ts
+++ b/packages/contract.cm/src/onchain/contract.ts
@@ -1,25 +1,9 @@
-import { SELF_REGISTER_HANDLER_NAME } from '@coinweb/contract-kit';
-import { selfRegisterHandler } from '@coinweb/self-register';
-import { addMethodHandler, ContractHandlers, executeHandler, executor } from 'cwait';
+import { constructCwebMain } from 'cwait';
 
 import { PUBLIC_METHODS } from '../offchain/shared';
 
 import { addWord } from './addWord';
 
-const createModule = (): ContractHandlers => {
-  const module: ContractHandlers = { handlers: {} };
-
-  addMethodHandler(module, PUBLIC_METHODS.ADD_WORD, executor(addWord));
-
-  addMethodHandler(module, SELF_REGISTER_HANDLER_NAME, selfRegisterHandler);
-
-  return module;
-};
-
-export const cwebMain = () => {
-  return (async () => {
-    const module = createModule();
-
-    await executeHandler(module);
-  })();
-};
+export const cwebMain = constructCwebMain({
+  [PUBLIC_METHODS.ADD_WORD]: addWord,
+});
diff --git a/packages/cwait/src/onchain/context/context.ts b/packages/cwait/src/onchain/context/context.ts
index 273a71a..e892496 100644
--- a/packages/cwait/src/onchain/context/context.ts
+++ b/packages/cwait/src/onchain/context/context.ts
@@ -92,4 +92,7 @@ export const context = {
   get needSaveResult() {
     return getMethodArgs()[6] ?? false;
   },
+  get isQueue() {
+    return getMethodArgs()[8] ?? false;
+  },
 };
diff --git a/packages/cwait/src/onchain/createContract.ts b/packages/cwait/src/onchain/createContract.ts
new file mode 100644
index 0000000..0b844c1
--- /dev/null
+++ b/packages/cwait/src/onchain/createContract.ts
@@ -0,0 +1,22 @@
+import { ContractHandlers as ContractHandlersOrig, SELF_REGISTER_HANDLER_NAME } from '@coinweb/contract-kit';
+import { selfRegisterHandler } from '@coinweb/self-register';
+import { queue } from 'lib/onchain';
+
+import { addMethodHandler, ContractHandlers, executeHandler } from '../contract-kit';
+
+import { executor } from './executor';
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export const constructCwebMain = (methods: Record<string, (...args: any[]) => Promise<void>>) => async () => {
+  const module: ContractHandlers = { handlers: {} };
+
+  Object.entries(methods).forEach(([name, handler]) => {
+    addMethodHandler(module, name, executor(handler));
+  });
+
+  addMethodHandler(module, SELF_REGISTER_HANDLER_NAME, selfRegisterHandler);
+
+  queue.applyQueue(module as ContractHandlersOrig, []);
+
+  await executeHandler(module);
+};
diff --git a/packages/cwait/src/onchain/promisifiedOps/cwait.ts b/packages/cwait/src/onchain/cwait.ts
similarity index 77%
rename from packages/cwait/src/onchain/promisifiedOps/cwait.ts
rename to packages/cwait/src/onchain/cwait.ts
index 4af8ba2..8b9d0b5 100644
--- a/packages/cwait/src/onchain/promisifiedOps/cwait.ts
+++ b/packages/cwait/src/onchain/cwait.ts
@@ -1,18 +1,15 @@
 import { constructStore } from '@coinweb/contract-kit/dist/esm/operations/store';
 
-import { constructResultClaim } from '../claims/result';
-import { context } from '../context';
-import { stopExecution } from '../executor';
-import { opMarker } from '../global';
-import { isResolvedChildOp, isResolvedExecOp, isResolvedSlotOp } from '../utils';
-import { uuid } from '../utils';
-
-import { getAwaitedTasks, pushAwaitedTask } from './awaited';
-import { getUsedOps, saveUsedOps, shiftResolvedOp } from './resolved';
+import { constructResultClaim } from './claims';
+import { context } from './context';
+import { stopExecution } from './executor';
+import { opMarker } from './global';
+import { getAwaitedTasks, pushAwaitedTask } from './promisifiedOps/awaited';
+import { getUsedOps, saveUsedOps, shiftResolvedOp } from './promisifiedOps/resolved';
+import { isResolvedChildOp, isResolvedExecOp, isResolvedSlotOp, uuid } from './utils';
 
 let isRootDetected = false;
 
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const cwait = <TAsyncCallback extends (...args: any[]) => Promise<unknown>>(asyncCallback: TAsyncCallback) => {
   console.log('cwait: ', asyncCallback.name);
   let isRoot = false;
diff --git a/packages/cwait/src/onchain/index.ts b/packages/cwait/src/onchain/index.ts
index 7be55b9..2a9dcc7 100644
--- a/packages/cwait/src/onchain/index.ts
+++ b/packages/cwait/src/onchain/index.ts
@@ -1,3 +1,6 @@
 export * from './context';
 export * from './executor';
 export * from './promisifiedOps';
+export * from './createContract';
+export * from './cwait';
+export * from './queue';
diff --git a/packages/cwait/src/onchain/promisifiedOps/index.ts b/packages/cwait/src/onchain/promisifiedOps/index.ts
index 672baa5..4247f6a 100644
--- a/packages/cwait/src/onchain/promisifiedOps/index.ts
+++ b/packages/cwait/src/onchain/promisifiedOps/index.ts
@@ -1,4 +1,3 @@
 export * from './awaited';
-export * from './cwait';
 export * from './ops';
 export * from './resolved';
diff --git a/packages/cwait/src/onchain/promisifiedTxs/index.ts b/packages/cwait/src/onchain/promisifiedTxs/index.ts
deleted file mode 100644
index 6b03561..0000000
--- a/packages/cwait/src/onchain/promisifiedTxs/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from './jumpTx';
-export * from './tx';
diff --git a/packages/cwait/src/onchain/promisifiedTxs/jumpTx.ts b/packages/cwait/src/onchain/promisifiedTxs/jumpTx.ts
deleted file mode 100644
index 6ef6f86..0000000
--- a/packages/cwait/src/onchain/promisifiedTxs/jumpTx.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const jumpTx = () => null;
diff --git a/packages/cwait/src/onchain/promisifiedTxs/tx.ts b/packages/cwait/src/onchain/promisifiedTxs/tx.ts
deleted file mode 100644
index 62a9327..0000000
--- a/packages/cwait/src/onchain/promisifiedTxs/tx.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const tx = () => null;
diff --git a/packages/cwait/src/onchain/queue/index.ts b/packages/cwait/src/onchain/queue/index.ts
new file mode 100644
index 0000000..cadd6a9
--- /dev/null
+++ b/packages/cwait/src/onchain/queue/index.ts
@@ -0,0 +1 @@
+export * from './queue';
diff --git a/packages/cwait/src/onchain/queue/queue.ts b/packages/cwait/src/onchain/queue/queue.ts
new file mode 100644
index 0000000..17614a3
--- /dev/null
+++ b/packages/cwait/src/onchain/queue/queue.ts
@@ -0,0 +1,21 @@
+const queues = new Set<number>();
+
+let queueId = 0;
+
+export const queue = <TCallback extends () => Promise<void>>(callback: TCallback) => {
+  const id = queueId++;
+  queues.add(id);
+
+  const promise = new Promise<void>((resolve) => {
+    callback().finally(() => {
+      queues.delete(id);
+      resolve();
+    });
+  });
+
+  return promise;
+};
+
+export const isQueueLocked = () => {
+  return queues.size > 0;
+};
diff --git a/packages/cwait/src/onchain/utils/constructTx/prepareInThreadTxs.ts b/packages/cwait/src/onchain/utils/constructTx/prepareInThreadTxs.ts
index 0458c90..f44a1b0 100644
--- a/packages/cwait/src/onchain/utils/constructTx/prepareInThreadTxs.ts
+++ b/packages/cwait/src/onchain/utils/constructTx/prepareInThreadTxs.ts
@@ -5,16 +5,20 @@ import {
   FullCallInfo,
   NewTx,
   passCwebFrom,
+  PreparedCallInfo,
   PreparedOperation,
+  prepareQueueCall,
   sendCwebInterface,
 } from '@coinweb/contract-kit';
 import { CwebBlock } from '@coinweb/contract-kit/dist/esm/operations/block';
 import { GBlock } from '@coinweb/contract-kit/dist/types/operations/generics';
+import { queue, queueCostFee, queueUnlockFee } from 'lib/onchain';
 
 import { ExecutorMethodArgs, ResolvedOp, ResolvedSlotOp, Task } from '../../../types';
 import { constructFundsClaimRangRead, constructFundsClaimStore } from '../../claims/funds';
 import { constructResultBlockFilter, constructResultClaimTake, resultKey } from '../../claims/result';
 import { context, getRawContext } from '../../context';
+import { isQueueLocked } from '../../queue/queue';
 import { isPreparedBlockOp, isPreparedExecOp } from '../typeGuards';
 
 export const prepareInThreadTxs = ({
@@ -91,6 +95,8 @@ export const prepareInThreadTxs = ({
               id,
               context.thisId,
               true,
+              [],
+              isQueueLocked(),
             ] satisfies ExecutorMethodArgs,
           },
           contractInfo: {
@@ -150,32 +156,52 @@ export const prepareInThreadTxs = ({
       txFee += 800n + outThreadFee + BigInt(takeOps.length) * 100n;
       callsPrepared++;
 
+      const isNeedToLockQueue = !context.isQueue && isQueueLocked();
+      const isNeedToUnlockQueue = context.isQueue && !isQueueLocked();
+
+      if (isNeedToLockQueue) {
+        console.log('isNeedToLockQueue');
+        txFee += queueCostFee;
+      }
+
+      if (isNeedToUnlockQueue) {
+        console.log('isNeedToUnlockQueue');
+        txFee += queueUnlockFee;
+      }
+
+      let callInfo: PreparedCallInfo = {
+        ref: constructContractRef(context.issuer, []),
+        methodInfo: {
+          methodName: context.methodName,
+          methodArgs: [
+            context.initialArgs,
+            [...context.ops, ...resolvedSlotOps],
+            context.user,
+            context.thisId,
+            context.parentId,
+            context.needSaveResult,
+            takeOps.map((op) => (op.TakeOp.key.second_part as [string])[0]),
+            isQueueLocked(),
+          ] satisfies ExecutorMethodArgs,
+        },
+        contractInfo: {
+          providedCweb: cwebPerCall - txFee + storedCweb,
+          authenticated: null,
+        },
+        contractArgs: [constructFundsClaimRangRead(context.thisId), ...callArgs],
+      };
+
+      if (isNeedToLockQueue) {
+        callInfo = prepareQueueCall(context.issuer, callInfo);
+      }
+
       returnTxs.push(
         constructContinueTx(
           getRawContext(),
           [passCwebFrom(context.issuer, cwebPerCall - outThreadFee), ...takeOps],
           [
             {
-              callInfo: {
-                ref: constructContractRef(context.issuer, []),
-                methodInfo: {
-                  methodName: context.methodName,
-                  methodArgs: [
-                    context.initialArgs,
-                    [...context.ops, ...resolvedSlotOps],
-                    context.user,
-                    context.thisId,
-                    context.parentId,
-                    context.needSaveResult,
-                    takeOps.map((op) => (op.TakeOp.key.second_part as [string])[0]),
-                  ] satisfies ExecutorMethodArgs,
-                },
-                contractInfo: {
-                  providedCweb: cwebPerCall - txFee + storedCweb,
-                  authenticated: null,
-                },
-                contractArgs: [constructFundsClaimRangRead(context.thisId), ...callArgs],
-              },
+              callInfo,
             },
           ]
         )
@@ -184,6 +210,10 @@ export const prepareInThreadTxs = ({
       if (childCalls.length) {
         returnTxs.push(constructContinueTx(getRawContext(), childBlocks, childCalls));
       }
+
+      if (isNeedToUnlockQueue) {
+        returnTxs.push(...queue.gateway.unlock(getRawContext()));
+      }
     }
   }
 
diff --git a/packages/cwait/src/onchain/utils/constructTx/prepareOutThreadTxs.ts b/packages/cwait/src/onchain/utils/constructTx/prepareOutThreadTxs.ts
index 390b5af..d9d1d5e 100644
--- a/packages/cwait/src/onchain/utils/constructTx/prepareOutThreadTxs.ts
+++ b/packages/cwait/src/onchain/utils/constructTx/prepareOutThreadTxs.ts
@@ -8,6 +8,7 @@ import {
 
 import { ExecutorMethodArgs, Task } from '../../../types';
 import { context, getRawContext } from '../../context';
+import { isQueueLocked } from '../../queue/queue';
 import { isPreparedExecOp } from '../typeGuards';
 
 export const prepareOutThreadTxs = ({
@@ -51,6 +52,8 @@ export const prepareOutThreadTxs = ({
               id,
               context.parentId ?? context.thisId,
               false,
+              [],
+              isQueueLocked(),
             ] satisfies ExecutorMethodArgs,
           },
           contractInfo: {
diff --git a/packages/cwait/src/types.ts b/packages/cwait/src/types.ts
index a5b7fb3..ead417f 100644
--- a/packages/cwait/src/types.ts
+++ b/packages/cwait/src/types.ts
@@ -45,4 +45,5 @@ export type ExecutorMethodArgs = [
   parentId?: string,
   saveResult?: boolean,
   takenFundsIds?: string[],
+  isQueue?: boolean,
 ];
diff --git a/packages/lib/src/onchain/features/queue.ts b/packages/lib/src/onchain/features/queue.ts
index f4fb5b2..ea973e4 100644
--- a/packages/lib/src/onchain/features/queue.ts
+++ b/packages/lib/src/onchain/features/queue.ts
@@ -1,5 +1,7 @@
 import { Queue } from '@coinweb/contract-kit';
 
-export const queue = new Queue({ name: 'queue', executionDepth: 2 });
+export const queue = new Queue({ name: 'queue', executionDepth: 4 });
 
 export const queueUnlockFee = 3000n;
+
+export const queueCostFee = Queue.queueCostFee();
diff --git a/packages/ui/.env b/packages/ui/.env
index 6a36b70..6ed9bff 100644
--- a/packages/ui/.env
+++ b/packages/ui/.env
@@ -1,4 +1,4 @@
 VITE_API_URL='https://api-cloud.coinweb.io/wallet'
 VITE_EXPLORER_URL='https://explorer.coinweb.io'
 
-VITE_CONTRACT_ADDRESS="0x8c89cb42634cfe892290845d907af8ec2d482cead42afaef3ccc3cea4446fce5"
+VITE_CONTRACT_ADDRESS="0xa1bd5281d39b1182db65565d90919aff15adf65ac8ba43d984048485df5a6d8d"