<oembed><type>rich</type><version>1.0</version><author_name>npub19kv88vjm7tw6v9qksn2y6h4hdt6e79nh3zjcud36k9n3lmlwsleqwte2qd</author_name><author_url>https://nostr.ae/npub19kv88vjm7tw6v9qksn2y6h4hdt6e79nh3zjcud36k9n3lmlwsleqwte2qd</author_url><provider_name>njump</provider_name><provider_url>https://nostr.ae</provider_url><html>Spark is basically a CBDC that is connected to Bitcoin&#xA;&#xA;- The service provider can see all your transactions&#xA;- The service provider can steal your money and close your account&#xA;- Fractional reserves are possible</html></oembed>