Safe versus Argent versus Biconomy which smart wallet to choose
Three smart wallet implementations dominate discussions in the wallets/erc-4337-vs-native-account-abstraction/">account abstraction space. Safe, Argent, and Biconomy each solve different problems, and the right choice depends entirely on what you need the wallet to do.
Security model
Safe uses M-of-N multisig enforcement. Multiple signers must approve a transaction before it executes. This makes Safe the standard for teams, DAOs, and any group that needs collective control over funds; the threshold can be set at deployment and adjusted later.
Argent relies on social recovery with guardian voting. A user designates trusted guardians. If the key is lost, guardians vote to approve a new owner, so this model prioritises individual recovery over group approval.
Biconomy offers modular security. Developers compose their own validation logic using the Biconomy SDK. The security model is not fixed: it can be multisig, social recovery, or custom rules depending on how the wallet is built.
Recovery mechanism
Safe does not have a built-in social recovery. To recover a Safe wallet you must have the required number of signer keys. If a key is lost and the threshold is not met, funds may be unrecoverable, though some teams use a guardian contract as an additional signer to mitigate this.
Argent pioneered social recovery on Starknet and zkSync. The user sets guardians at wallet creation. If the owner key is compromised, guardians can transfer ownership to a new key after a timelock, and the timelock gives the user time to detect the compromise.
Biconomy can implement social recovery but does not mandate it. The SDK provides hooks for recovery logic. Developers choose whether to include guardian-based recovery, time-locked recovery, or no recovery at all.
Chain support
Safe runs on Ethereum mainnet, most EVM L2s, and several non-EVM chains through custom deployments. It is the most widely deployed smart wallet by total value locked.
Argent launched on Ethereum, then built native wallets for Starknet and zkSync Era. The Argent X wallet for Starknet uses a custom account abstraction model, not ERC-4337. The zkSync version uses the native account abstraction built into that chain.
Biconomy supports EVM chains that implement ERC-4337. The SDK works on Ethereum, Polygon, Arbitrum, Optimism, and others. Chain support depends on where bundlers and paymasters are available.
Gas abstraction
Safe does not include native gas abstraction. Each transaction must be paid in the chain's native token by one of the signers; third-party relayers can sponsor gas, but this is not built in.
Argent supports gas abstraction on Starknet and zkSync. Transactions can be paid in ERC-20 tokens or sponsored by a paymaster. The user does not need ETH or the native token to send transactions.
Biconomy is built around gas abstraction. The SDK includes a paymaster module that can sponsor gas or accept fees in any ERC-20. Developers configure how gas is handled per transaction.
Modularity
Safe is a fixed implementation. You cannot change the core validation logic, though modules can be added for plugins like spending limits or recovery. The multisig core is immutable.
Argent is also fixed in its core logic. The social recovery mechanism is hard-coded. Users can configure guardians and timelocks but not the fundamental validation model.
Biconomy is modular by design. The SDK lets developers replace validation, execution, and payment logic independently, and this flexibility suits projects that need custom wallet behaviour.
Matching wallet to use case
Teams and DAOs needing multisig control should use Safe. It is battle-tested, widely audited, and the default choice for collective fund management.
Individual users who want self-custody with a safety net should consider Argent. Social recovery solves the single-key-loss problem without requiring multiple signers.
Developers building custom wallet experiences should look at Biconomy. The modular SDK gives control over every aspect of the wallet while abstracting the complexity of ERC-4337.
No single wallet wins across all dimensions. The best choice depends on who uses it and what they need it to do.
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