{"type":"rich","version":"1.0","author_name":"Deleted Account (npub1hm…nyrsz)","author_url":"https://nostr.ae/npub1hmp6psfntnwyznqgaeqlgauv28wm58hg50ufkpqpytm7yfxkn9tqvnyrsz","provider_name":"njump","provider_url":"https://nostr.ae","html":"what's the collateral then? how do they secure themself of fraud if you don't give up btc ownership?"}