> For the complete documentation index, see [llms.txt](https://docs.zklink.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zklink.io/developer/tools/multisig-wallet.md).

# MultiSig Wallet

## Safe

Safe is a customizable crypto wallet that requires a predefined number of signatures to confirm transactions to prevent unauthorized access to the assets stored. DeFi apps can be accessed and user funds can be put to work from inside the safe interface. There are currently dozens of billions in funds stored in safes in Ethereum ecosystem.

### Official Safe Website on zkLink Nova

[https://safe.zklink.io/](https://safe.zklink.io/welcome)

### Safe Transaction Service API

[https://transaction.safe.zklink.io/ ](<https://transaction.safe.zklink.io/ >)

### Safe's Contracts (1.3.0) &#x20;

CompatibilityFallbackHandler: [0x2f870a80647BbC554F3a0EBD093f11B4d2a7492A](https://explorer.zklink.io/address/0x2f870a80647BbC554F3a0EBD093f11B4d2a7492A#contract) &#x20;

CreateCall: [0xcB8e5E438c5c2b45FbE17B02Ca9aF91509a8ad56](https://explorer.zklink.io/address/0xcB8e5E438c5c2b45FbE17B02Ca9aF91509a8ad56#contract) &#x20;

DefaultCallbackHandler: [0x08798512808f838a06BCe7c26905f05e94dF6f50](https://explorer.zklink.io/address/0x08798512808f838a06BCe7c26905f05e94dF6f50#contract)&#x20;

GnosisSafe: [0xB00ce5CCcdEf57e539ddcEd01DF43a13855d9910](https://explorer.zklink.io/address/0xB00ce5CCcdEf57e539ddcEd01DF43a13855d9910#contract)&#x20;

GnosisSafeL2: [0x1727c2c531cf966f902E5927b98490fDFb3b2b70](https://explorer.zklink.io/address/0x1727c2c531cf966f902E5927b98490fDFb3b2b70#contract)

GnosisSafeProxyFactory: [0xDAec33641865E4651fB43181C6DB6f7232Ee91c2](https://explorer.zklink.io/address/0xDAec33641865E4651fB43181C6DB6f7232Ee91c2#contract)&#x20;

MultiSend: [0x0dFcccB95225ffB03c6FBB2559B530C2B7C8A912](https://explorer.zklink.io/address/0x0dFcccB95225ffB03c6FBB2559B530C2B7C8A912#contract)&#x20;

MultiSendCallOnly: [0xf220D3b4DFb23C4ade8C88E526C1353AbAcbC38F](https://explorer.zklink.io/address/0xf220D3b4DFb23C4ade8C88E526C1353AbAcbC38F#contract)

SignMessageLib: [0x357147caf9C0cCa67DfA0CF5369318d8193c8407](https://explorer.zklink.io/address/0x357147caf9C0cCa67DfA0CF5369318d8193c8407#contract)

SimulateTxAccessor: [0x4191E2e12E8BC5002424CE0c51f9947b02675a44](https://explorer.zklink.io/address/0x4191E2e12E8BC5002424CE0c51f9947b02675a44#contract)