Description
About
TotalSig is a multi-chain, non-custodial multisig wallet that provides a unified experience across 11+ blockchains including Bitcoin, Ethereum, Tron, Solana, Litecoin, BNB Smart Chain, Dogecoin, Polygon, Arbitrum, Avalanche, and Optimism. Available as a Google Chrome extension, it is the first Web3 multisig wallet designed to make multi-signature usage easy for everyone.
Key Features
- Multi-signature Security — Requires multiple private keys to authorize transactions, eliminating single points of failure and protecting against unauthorized access.
- Multi-chain Support — Manage coins, tokens (ERC20, BEP20, TRC20, TRC10), and NFTs (ERC721) across all major blockchains from a single wallet interface.
- MPC Technology — Built on Multi-Party Computation (MPC) for simplified key management with bank-grade 256-bit encryption, ensuring your funds stay protected.
- Group Control — Perfect for teams, DAOs, businesses, and exchanges that need multiple co-signer approvals before any transaction is executed.
- Up to 32 Co-signers — Flexible approval rules such as 2-of-3 or 3-of-5 signature schemes to match your security requirements.
- Web3 Ready — Seamlessly interact with DApps, DeFi protocols, and smart contracts across EVM chains, Tron, and Solana.
- Lowest Fees — Up to 20x lower network fees compared to other multisig wallets, with completely free operations on several chains.
- Self-custodial — You maintain full control of your private keys at all times. TotalSig never has access to your funds or keys.
Highlights
Pros
- Supports up to 32 co-signers with flexible approval rules such as 2-of-3 or 3-of-5, far exceeding the typical 5–15 signer limit of most competing multisig wallets.
- Supports multisig across 11+ blockchains including Bitcoin, Ethereum, Tron, Solana, BNB Smart Chain, Polygon, Arbitrum, Avalanche, Litecoin, Dogecoin, and Optimism — unmatched chain versatility for a multisig wallet.
- Offers up to 20x lower network fees than competing multisig wallets, with completely free operations on Ethereum, BNB Smart Chain, and Solana.
- Built on MPC (Multi-Party Computation) technology with bank-grade 256-bit encryption, making multisig transactions appear as single-user on-chain for enhanced privacy and lower transaction fees.
- Full Web3 support enables multisig-secured interaction with DApps, DAOs, DeFi protocols, and smart contracts across EVM chains, Tron, and Solana — a rare feature for a multisig wallet.
- Non-custodial design ensures users retain full control of their private keys and funds at all times, with support for ERC20, BEP20, TRC20, TRC10 tokens and ERC721 NFTs.
Cons
- MPC-based multisig is still emerging technology for retail users and is supported by fewer complementary tools compared to traditional P2SH multisig, potentially creating ecosystem compatibility limitations.
- Relatively new and less battle-tested compared to established multisig solutions like Safe (formerly Gnosis Safe), which has secured over $100 billion in assets through extensive independent auditing.
- Only available as a Chrome browser extension — no native desktop app (Windows/macOS/Linux) or mobile app (iOS/Android) is offered, limiting platform accessibility.
- No hardware wallet integration (Ledger/Trezor) is mentioned, preventing users from combining cold storage security with multisig protection.
- Lacks support for several major blockchain ecosystems including Cosmos, Polkadot, Cardano, Aptos, and Sui, limiting its reach beyond EVM, Solana, and UTXO-based chains.