> Feedback: If these docs are stale, missing, or confusing, post sanitized feedback to `https://docs.tempo.xyz/api/feedback` with `source: "mcp"`, a short `message`, and any relevant `toolName`, `relatedResource`, or `client`.
# Predeployed Contracts

## System Contracts

Core protocol contracts that power Tempo's features.

| Contract | Address | Description |
|----------|---------|-------------|
| [**TIP-20 Factory**](/docs/protocol/tip20/overview) | [`0x20fc000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0x20fc000000000000000000000000000000000000) | Create new TIP-20 tokens |
| [**Fee Manager**](/docs/protocol/fees/spec-fee-amm#2-feemanager-contract) | [`0xfeec000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0xfeec000000000000000000000000000000000000) | Handle fee payments and conversions |
| [**Stablecoin DEX**](/docs/protocol/exchange) | [`0xdec0000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0xdec0000000000000000000000000000000000000) | Enshrined DEX for stablecoin swaps |
| [**TIP-403 Registry**](/docs/protocol/tip403/spec) | [`0x403c000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0x403c000000000000000000000000000000000000) | Transfer policy registry |
| [**ReceivePolicyGuard**](/docs/protocol/upgrades/t6#account-level-receive-policies) | [`0xB10C000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0xB10C000000000000000000000000000000000000) | Holds TIP-20 transfers and mints blocked by account-level receive policies |
| [**Signature Verifier**](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1020.md) | [`0x5165300000000000000000000000000000000000`](https://explore.tempo.xyz/address/0x5165300000000000000000000000000000000000) | Verify secp256k1, P256, and WebAuthn signatures onchain |
| [**Address Registry**](https://github.com/tempoxyz/tempo/blob/main/tips/tip-1022.md) | [`0xFDC0000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0xFDC0000000000000000000000000000000000000) | Resolve virtual TIP-20 deposit addresses to registered master wallets |
| [**pathUSD**](/docs/protocol/exchange/quote-tokens#pathusd) | [`0x20c0000000000000000000000000000000000000`](https://explore.tempo.xyz/address/0x20c0000000000000000000000000000000000000) | First stablecoin deployed |

## Standard Utilities

Popular Ethereum contracts deployed for convenience.

| Contract | Address | Description |
|----------|---------|-------------|
| [**Multicall3**](https://www.multicall3.com/) | [`0xcA11bde05977b3631167028862bE2a173976CA11`](https://explore.tempo.xyz/address/0xcA11bde05977b3631167028862bE2a173976CA11) | Batch multiple calls in one transaction |
| [**CreateX**](https://github.com/pcaversaccio/createx) | [`0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed`](https://explore.tempo.xyz/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed) | Deterministic contract deployment |
| [**Permit2**](https://docs.uniswap.org/contracts/permit2/overview) | [`0x000000000022d473030f116ddee9f6b43ac78ba3`](https://explore.tempo.xyz/address/0x000000000022d473030f116ddee9f6b43ac78ba3) | Token approvals and transfers |
| [**Arachnid Create2 Factory**](https://github.com/Arachnid/deterministic-deployment-proxy) | [`0x4e59b44847b379578588920cA78FbF26c0B4956C`](https://explore.tempo.xyz/address/0x4e59b44847b379578588920cA78FbF26c0B4956C) | CREATE2 deployment proxy |
| [**Safe Deployer**](https://github.com/safe-fndn/safe-singleton-factory) | [`0x914d7Fec6aaC8cd542e72Bca78B30650d45643d7`](https://explore.tempo.xyz/address/0x914d7Fec6aaC8cd542e72Bca78B30650d45643d7) | Safe deployer contract |
| **8004 Identity Registry** | [`0x8004A169FB4a3325136EB29fA0ceB6D2e539a432`](https://explore.tempo.xyz/address/0x8004A169FB4a3325136EB29fA0ceB6D2e539a432) | Identity registry |
| **8004 Reputation Registry** | [`0x8004BAa17C55a88189AE136b182e5fdA19dE9b63`](https://explore.tempo.xyz/address/0x8004BAa17C55a88189AE136b182e5fdA19dE9b63) | Reputation registry |

## Contract ABIs

ABIs for these contracts are available in the SDK:

```typescript
import { Abis } from 'viem/tempo'

const tip20Abi = Abis.tip20
const tip20FactoryAbi = Abis.tip20Factory
const stablecoinDexAbi = Abis.stablecoinDex
const feeManagerAbi = Abis.feeManager
const feeAmmAbi = Abis.feeAmm
// ...
```