Wasabi Research Club #30 - Checking Bitcoin balances privately
Wasabi Wallet
Samir presents Spiral, using lattice-based homomorphic encryption to query Bitcoin balances privately—servers compute on encrypted one-hot vectors without learning which addresses are queried. Core challenge: linear server cost in database size (~300MB/sec) makes batch queries expensive, incompatible with Wasabi's typical 10,000+ user addresses; discussion explores optimization via empty-address f

https://relay.towardsliberty.com/fbf4528425fecc24efe1ff39542aa04a82818cbfefedba1ebde2dbd6254816bd.mp4