Thank you to OpenCash (https://opencash.dev) for being our first Designathon sponsor. They are supporting the design contest for ecash paper notes. More info here: https://github.com/BitcoinDesign/Meta/issues/759

https://video.nostr.build/c695928e92f1c7d0ea9e7ffd6d5ee05d7a80b780404a428fdb2e0250a20978f7.mp4