rich1.0Deleted Account (npub1hm…nyrsz)https://nostr.ae/npub1hmp6psfntnwyznqgaeqlgauv28wm58hg50ufkpqpytm7yfxkn9tqvnyrsznjumphttps://nostr.aewhat's the collateral then? how do they secure themself of fraud if you don't give up btc ownership?