Multisig

British bitcoin exchange CoinCorner is debuting a multisig custody service.

Coinkite now forces dice rolls and key-press entropy on new Coldcard seeds. The lasting lesson from the July–August 2026 thefts is not to abandon self-custody — it is to stop generating every key on one vendor.

Onramp, founded by ex-Google executive Michael Tanguna, introduces a multisignature custody solution partnering with BitGo, CoinCover, and Tetra Trust to secure billions in Bitcoin assets amid growing institutional demand.

Bitcoin-Safe, backed by a one-year OpenSats grant awarded in March 2025, enforces hardware wallet use for mainnet operations to minimize risks, distinguishing it from software-reliant alternatives like Electrum and Sparrow.

Asigna raises $3M to expand its Bitcoin-native multisig vault with a v2 upgrade and developer tools.

Debifi founder and CEO Max Kei has harnessed his years of experience contributing to Hodl Hodl, a noncustodial peer-to-peer (P2P) bitcoin exchange and bitcoin-backed lending platform, to create Debifi, a lending platform like Hodl Hodl’s but built for institutional clients.

Becca Rubenfeld and the AnchorWatch team recently unveiled a first-of-its-kind bitcoin custody plus insurance solution, which aims to not only keep their customers’ bitcoin safe, but the customers themselves, as well.

Theya’s new feature reduces the hassle of transferring your bitcoin from an exchange into a secure self-custody setup.

Sriram Bhargav Karnati, a former consumer product developer at Google and Robinhood, is now building Theya, the most usable Bitcoin multisig vault on the market today.

Deciding to take bitcoin into self-custody is the first step, but holders must assess how they want to protect their savings with either singlesig, DIY multisig or collaborative custody.