<oembed><type>rich</type><version>1.0</version><author_name>Tim Bouma (npub1q6…nx7d5)</author_name><author_url>https://nostr.ae/npub1q6mcr8tlr3l4gus3sfnw6772s7zae6hqncmw5wj27ejud5wcxf7q0nx7d5</author_url><provider_name>njump</provider_name><provider_url>https://nostr.ae</provider_url><html>mutual credit using cryptography - a relatively new idea that institutions haven&#39;t quite figured out yet. let&#39;s blaze the trail. </html></oembed>