The best alternatives to Nunchuk

Safe is the leading smart contract multi-signature wallet infrastructure for secure self-custody, onchain treasury management, and organizational transactions. Used by DAOs, teams, and power users to manage crypto assets with distributed signing authority, eliminating single points of failure.

Muun is a self-custodial Bitcoin and Lightning Network wallet that combines on-chain and off-chain payments into a single balance. It features a unique 2-of-2 multi-signature architecture with an Emergency Kit recovery system, mempool-based fee estimation to minimize costs, and support for both Lightning instant payments and on-chain transactions from one unified interface.

Ready (formerly Argent) is a smart contract wallet powered by account abstraction technology. It offers a full crypto banking alternative with deposit support across 6 currencies in 150 countries, a Mastercard debit card for spending USDC, staking and swapping features, and 9 years of innovation with zero hacks. Built with ERC-4337 account abstraction, it pioneered seedless, self-custodial wallet recovery through social recovery mechanisms.

Safe is the leading smart account infrastructure for secure self-custody, onchain treasury management, and organizational transactions. It offers a multisignature wallet that eliminates single points of failure by distributing access control across multiple owners, along with transaction simulation, spending limits, and role-based access.

Zengo is a self-custodial crypto wallet powered by Multi-Party Computation (MPC) technology, eliminating vulnerable seed phrases. Since 2018, it has secured over 2 million wallets with zero hacks, offering secure buying, selling, swapping, and earning of crypto across blockchains like Bitcoin, Ethereum, Solana, and TRON.

BlueWallet is a free, open-source Bitcoin and Lightning Network wallet for iOS and Android. It supports watch-only wallets for hardware wallet integration, multisig vaults, Lightning payments, coin control, transaction batching, and plausible deniability — all while keeping private keys on-device.

Sparrow is a Bitcoin wallet designed for those who value financial self sovereignty. It emphasizes security, privacy, and usability, providing detailed transaction and UTXO information. It supports single sig and multisig wallets, hardware wallets, PSBTs, and built-in Tor.

Casa provides self-custody security for Bitcoin and stablecoins through multi-key vaults. Users hold their own private keys across multiple devices and locations, protecting against hacks, device failure, and accidental loss. Plans include Standard (3-key), Premium (5-key), and Private Client, with built-in inheritance planning and dedicated expert support.

Solflare is a self-custody Solana wallet trusted by over 4 million users. It enables secure trading, staking, NFT management, and crypto purchases — all within one all-in-one app with robust security features and 24/7 human support.

Ownbit is a self-custody mobile wallet combining cross-chain MultiSig, QR offline signing, and enterprise-style approval control. It supports Bitcoin, Ethereum, BSC, Tron, Solana, and 15+ other blockchains for secure personal, family, and team treasury management.