{"type":"rich","version":"1.0","author_name":"npub19kv88vjm7tw6v9qksn2y6h4hdt6e79nh3zjcud36k9n3lmlwsleqwte2qd","author_url":"https://nostr.ae/npub19kv88vjm7tw6v9qksn2y6h4hdt6e79nh3zjcud36k9n3lmlwsleqwte2qd","provider_name":"njump","provider_url":"https://nostr.ae","html":"Spark is basically a CBDC that is connected to Bitcoin\n\n- The service provider can see all your transactions\n- The service provider can steal your money and close your account\n- Fractional reserves are possible"}