Multisig Deployer

WHAT IT DOES

Multisig Deployer is a developer tool that lets you deploy a multisig wallet contract with custom owners and threshold in a single transaction. Multisig wallets (like Safe) require multiple signatures to execute transactions, providing enhanced security for DAOs, teams, and high-value wallets. This tool connects to a multisig factory contract, takes your specified owner addresses and required confirmation threshold, and deploys a new multisig wallet instance. It provides a preview of the deployment parameters — number of owners, threshold, salt nonce, estimated gas cost, and the predicted contract address — before you execute the deployment, giving you full visibility into the process.

HOW TO USE

Connect your EVM wallet via the BGWallet bridge. Enter the multisig factory contract address (e.g., Safe Proxy Factory). Optionally, enter the multisig implementation address if required by your factory. Add owner addresses — each address will be a signer on the multisig. Set the required confirmations (threshold) — this must be between 1 and the number of owners. Optionally, set a salt nonce for deterministic deployment. Click "Preview Deployment" to see the number of owners, threshold, salt nonce, estimated gas cost, and the predicted contract address. Review the details carefully. Click "Deploy Multisig" to sign and broadcast the transaction. The tool provides a transaction hash for tracking and confirms the deployment.

TECHNICAL MECHANISM

The tool interacts with a multisig factory contract (such as the Safe Proxy Factory) that deploys proxy contracts pointing to a shared implementation. The factory's `createProxy` or `createProxyWithNonce` function takes the implementation address, initialization data (owners, threshold, and other parameters), and optionally a salt nonce for deterministic address calculation. The tool encodes the initialization data using the multisig contract's ABI (typically `setup` function with owners, threshold, and other parameters). The tool estimates gas using `estimateGas` and shows the predicted address based on the factory's address, the implementation address, the initialization data, and the salt nonce (using `create2` address calculation). The deployment is atomic — if any step fails, the transaction reverts and no contract is deployed.

WHAT IT CANNOT SEE

This tool cannot guarantee that the deployed multisig will be recognized by all dApps or that the configuration will be compatible with all governance protocols. Different dApps and protocols have different requirements for multisig integration — some may require specific versions of the Safe contract, while others may expect a specific factory or implementation address. The tool also cannot predict changes to the factory contract or the implementation that may affect the deployment. Always verify the deployed contract address on the block explorer and test the multisig functionality before using it for critical operations. This tool is an aid for deployment, not a guarantee of compatibility with all protocols.

PLEASE NOTE

EVM chains only. This tool relies on the BGWallet connector and will not function on Solana, Tron, Starknet, SUI, TON, Aptos, Bitcoin, Cosmos, or XRP. The user is responsible for ensuring the supplied factory and implementation addresses are correct and that the protocol supports the multisig standard (e.g., Safe). The tool assumes the standard Safe proxy factory interface — check the factory's documentation for specific parameters. Deploying a multisig requires sufficient ETH for gas on the target network.