Block has been building for bitcoin for over a decade. Cash App. Square. Proto. Sprial. And Bitkey. Our lane at Bitkey: self-custody that’s built for real life — security + recovery + privacy, without the tradeoffs. Because bitcoin deserves a full ecosystem.

Bitcoin

Bitcoin

Discover how Block advances bitcoin—Cash App and Square payments, Bitkey self-custody, and Proto mining—expanding access for millions worldwide

Buy bitcoin with Strike. Send it straight to Bitkey. That’s the post.

Private by default. Not a setting. Anyone onboarding to Bitkey today gets a wallet we’ve provably never seen. Existing users can upgrade to get there too — new wallet, new descriptor, full privacy. Jonathan breaks this down further with Simply Bitcoin