hashi launched BTC custody through sui's validator set via MPC threshold signatures on march 20. 5 lending protocols integrated in 4 days. erebor bank, a federally chartered U.S. bank, plugged in before mainnet even went live. no token. no bridge. bitcoin stays on bitcoin L1. cbBTC has $1b+ in borrows but one entity holds every key. hashi distributes custody across sui's entire validator set. the compliance stack was built before the first dollar of TVL. that's the opposite of how DeFi usually works and exa ...