Chaumian e-cash protocol on Bitcoin Lightning. The mint cannot link sends to receives — genuine transactional unlinkability. CAUTION: each mint is a custodian. If the mint disappears, tokens are worthless. Best for small amounts on trusted mints.
Cashu scores 69/99 and Nighthawk Wallet scores 69/99. Use this page as a starting point, then review each provider profile for ownership, warnings, and policy changes.