
What is Multi-Owner Plugin?
Multi-Owner Plugin is an ERC-6900 modular plugin that lets your smart accounts have one or more ECDSA or SCA owners. This lets your account integrate with multiple signers at once, and supports recovering your account if one signer is lost. The Multi-Owner Plugin is able to update (e.g. add or remove) owners for an MSCA, check if an address is an owner address of an MSCA, show all owners of an MSCA, and validate signed signatures of ERC-4337 enabled user operations as well as regular transactions. All Modular Accounts have the Multi-owner plugin pre-installed upon creation.
Web3 dapps and developer tools related to Multi-Owner Plugin
Discover blockchain applications that are frequently used with Multi-Owner Plugin.
Developer resources from Alchemy

12 Solidity smart contract security best practices
Secure your smart contracts with these expert security tips and tools.

ERC-1271 signature replay vulnerability
On October 27th 2023, Alchemy discovered a ERC1271 contract signature replay vulnerability that affected a large number of smart contract accounts (SCA), and led to risks when interacting with several applications.

Metropolis makes it easy to deploy smart contracts using Alchemy's account abstraction infrastructure
Learn how Metropolis is leveraging Alchemy's account abstraction infrastructure to redefine smart contract deployment with their new product, Metal.
Multi-Owner Plugin alternatives
Explore web3 competitors and apps like Multi-Owner Plugin.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.


