Simple self-custodial Bitcoin wallet. Powered by Ark.

Fund your wallet with Lightning and spend sats via Ark.

Preview

21W home screen with balance, receive and send actions, and recent activity
Home — balance & activity
21W Lightning screen to fund or withdraw via Lightning Network
Lightning fund & withdraw
21W payment sent confirmation showing amount in sats
Send confirmation
21W settings screen with security options and wallet info
Settings & security