Multisig & Inheritance
Multisig and collaborative-custody wallets.
AnchorWatch · US bitcoin custody provider combining client-held multisig keys with regulated insurance coverage against theft and loss.
Bitcoin Keeper · Open-source, self-custodial single-key and multisig Bitcoin wallet with inheritance and recovery planning.
Bitcoin Safe · Free open-source desktop wallet for Bitcoin cold storage that guides users through single-signature and multisig setups with hardware signers.
BitVault · Self-custody Bitcoin wallet for iPhone using multisig with time-delayed transactions and cancellation windows to protect against theft and coercion.
Casa · Self-custodial multisig collaborative-custody service for Bitcoin with key-management and inheritance tools.
Frostsnap · Bitcoin signing devices that split one key across several units using FROST threshold signatures, so funds need a quorum of devices to spend.
Liana · Open-source, self-custodial Bitcoin wallet with Miniscript multisig and timelocked recovery/inheritance.
Nunchuk · Open-source, self-custodial multisig Bitcoin wallet for advanced security and inheritance, with Lightning integration.
The Bitcoin Adviser · Collaborative custody service that sets up client-controlled 2-of-3 multisig vaults with estate planning for families and long-term holders.
Theya · Self-custodial multisig and collaborative-custody Bitcoin wallet with a mobile-first interface.
Unchained · Self-custodial 2-of-3 collaborative-custody multisig for Bitcoin plus loans, IRA and inheritance services.
Main Sponsors
Full-service exchange to buy and sell bitcoin, with Lightning Network deposits and withdrawals.
Customizable laptops built in Europe with open-source firmware options, designed for users who value security and control over their hardware.
Major US exchange to buy, sell and store bitcoin, with Lightning Network withdrawals.
Instant swap service for BTC and 1,500+ coins with fixed or floating rates, fiat on-ramp and no account required; swaps typically finish in minutes.
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