{"type":"rich","version":"1.0","author_name":"Trevor Wurtele (npub194…z8epc)","author_url":"https://nostr.ae/npub1949vwvy4zpjm0343sce9d5gs0mm6z7txf4nndut6q6zpsqy6vntsjz8epc","provider_name":"njump","provider_url":"https://nostr.ae","html":"What is Casa? I had a look through their site, but how does that service work? Is it simply a 'help line' to set up and recover multi-sig that you control yourself... Or do they somehow have a master back up in case you really screw up and lose all your signing devices?"}