By implementing Chain Code Delegation, Bitkey becomes the first private collaborative multisig wallet — what you do with your keys is your business, simplifying self-custody is ours.
Not our keys. Not our business.
Across the Block ecosystem, brands like Cash App, Square, Spiral, Proto, and Bitkey are helping make bitcoin more open, accessible, and usable.
From payments and mining to self-custody and education, we’re proud to be part of a global network building financial freedom for everyone. 🌍
Watch Ivy Galindo's story and see how bitcoin is changing lives:
Security, privacy, and ease of use shouldn’t be at odds.
To help close the gap, Bitkey engineer Jurvis Tan and Bitkey alum Jesse Posner proposed a new bitcoin improvement that allows multisig wallet owners to control which keyholders can see full balance and transaction data.
Read more to see how this moves bitcoin forward:
Not our keys. Not our business.
