What is 2-of-3 Multisig?

Our Basic Multisig is 2-of-3, and we recommend it for individuals holding small to medium amounts of BTC. For a full rundown of the product, read our blog post on Basic Mutisig 2-of-3's release.

With Basic Multisig, you’ll have three keys protecting your Bitcoin:

1) Mobile Key (held by you and secured by your phone’s secure enclave)

2) Hardware Key (held by you on either a Trezor or Ledger)

3) Casa Recovery Key (held by Casa, for recoveries only)


For each transaction you send, you’ll need to approve it from your phone and your hardware key. 


This provides significantly more security than a single signature keyset. You can even keep your hardware key in a different location than your phone (such as a bank safety deposit box or office safe), which helps protect you against in-person attackers trying to steal your bitcoin.


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