# Hanzo Rollups — Hanzo AI

> Deploy and manage rollup infrastructure.

Available Now

# Hanzo Rollups

L2 scaling infrastructure & rollup services

Deploy and manage rollup infrastructure. From optimistic to ZK rollups, we handle sequencers, provers, and data availability so you can focus on your application.

### Rollup-as-a-Service

Deploy your own L2 or L3 rollup with managed infrastructure.

### High Throughput

Process thousands of transactions per second with low fees.

### Security Inheritance

Inherit Ethereum's security while scaling your application.

### Native Bridging

Deposit and withdraw between L1 and L2 on bridges that ship with the rollup.

[Back to Web3 Overview](https://hanzo.ai/blockchain)

## Get Your API Key

Start building in under 5 minutes

HA

Failover

<50ms

Latency

100+

Chains

Start Building Free

View Documentation

No credit card required. Free tier includes 300M compute units/month.

Trusted by developers building:

DeFiNFTsPaymentsGamingAI Agents

## Key Capabilities

Everything you need, nothing you don&#x27;t.

### Rollup-as-a-Service

Deploy your own L2 or L3 rollup with managed infrastructure.

### High Throughput

Process thousands of transactions per second with low fees.

### Security Inheritance

Inherit Ethereum&#x27;s security while scaling your application.

### Native Bridging

Deposit and withdraw between L1 and L2 on bridges that ship with the rollup.

### Data Availability

Multiple DA options: Ethereum, Celestia, EigenDA, or custom.

### Sequencer Management

Managed sequencer infrastructure with decentralization options.

### Fraud & Validity Proofs

Support for both optimistic and ZK proving systems.

### Interoperability

Connect to the broader L2 ecosystem and cross-chain protocols.

### Analytics & Monitoring

Real-time metrics for rollup performance and health.

## Simple to Integrate

Get started with just a few lines of code. SDKs for every language.

Solidity

Node

Python

Go

Rust

C

C++

Ruby

L2Bridge.sol

```
// SPDX-License-Identifier: MIT pragma solidity ^0.8.24; import "@hanzo/rollups/IL2Bridge.sol"; import "@hanzo/rollups/ICrossChainMessenger.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; /// @title L2Bridge - Bridge assets between L1 and L2 rollups contract L2Bridge { IL2Bridge public bridge; ICrossChainMessenger public messenger; mapping(bytes32 => bool) public processedDeposits; event DepositInitiated(address indexed from, uint256 amount, uint256 l2ChainId); event WithdrawalCompleted(address indexed to, uint256 amount); constructor(address _bridge, address _messenger) { bridge = IL2Bridge(_bridge); messenger = ICrossChainMessenger(_messenger); } // Bridge ETH from L1 to L2 function bridgeETHToL2(uint256 l2ChainId) external payable { bridge.depositETH{value: msg.value}(l2ChainId, msg.sender); emit DepositInitiated(msg.sender, msg.value, l2ChainId); } // Bridge ERC20 tokens to L2 function bridgeTokenToL2( address token, uint256 amount, uint256 l2ChainId ) external { IERC20(token).transferFrom(msg.sender, address(this), amount); IERC20(token).approve(address(bridge), amount); bridge.depositERC20(token, amount, l2ChainId, msg.sender); emit DepositInitiated(msg.sender, amount, l2ChainId); } // Finalize withdrawal on L1 (called by relayer) function finalizeWithdrawal( bytes32 withdrawalHash, address to, uint256 amount, bytes calldata proof ) external { require(!processedDeposits[withdrawalHash], "Already processed"); require(bridge.verifyWithdrawalProof(withdrawalHash, proof), "Invalid proof"); processedDeposits[withdrawalHash] = true; payable(to).transfer(amount); emit WithdrawalCompleted(to, amount); } }
```

## Built For

### Gaming & Social

High-frequency, low-cost transactions for gaming economies and social apps.

### DeFi Scaling

Scale DeFi protocols with lower gas costs while maintaining security.

### Enterprise Chains

Private or permissioned rollups with custom governance.

### App-Specific Chains

Dedicated throughput and customization for your application.

## Supported Chains

ArbitrumOptimismBasezkSync EraScrollLineaPolygon zkEVMStarknetBlastMode

## Start Building with Hanzo Rollups

Get your free API key and ship your first request in under 5 minutes. No credit card required.

Get Your API Key

[Explore All Web3 Products](https://hanzo.ai/blockchain)

## Get Hanzo Rollups

Deploy in seconds or self-host with the open-source release.

[Deploy to Cloud](https://console.hanzo.ai/deploy)