The app works by leveraging crypto’s multisignature, or “multisig” performance. Multisig is when a consumer wants multiple signature to spend crypto funds. A consumer holding bitcoin (BTC) in a Casa pockets for instance, may use a “2-of-3” multisig, that means, three non-public keys exist, however solely two are required to spend funds. If the consumer loses one key, they will nonetheless entry their funds with the remaining two (one in every of which is entrusted to and securely saved by Casa).