Replying to Avatar Tim Bouma

Honestly, I think this is a pretty big deal.

In brief, a payer lightning wallet using #nostr #safebox under the hood can detect if the payee address is also a #nostr #safebox address. If so the payment is completely negotiated and cleared with cashu tokens, without ever touching lightning at all. That means a totally private payment system can be built that invisibly works on top of lightning and automatically back to lightning whenever needed.

The user never knows the difference.

nostr:nevent1qqsgczx4zad4ex7cet39qcefuy8remxp7a8u38tg3pwan308uftpx5cpr3mhxue69uhhyetvv9ujummsv4hxyctvv9hxxefwv9c8qtczyqrt0qva0uw874rjzxpxdmtme2rcth82uz0rd636ftmxt3k3mqe8cqcyqqqqqqg42s3dv

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fiatjaf 6mo ago

Not using Lightning is always a good call.

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Tim Bouma 6mo ago

Yup. I had this working in a previous iteration about a year ago, but now I built the pieces to make it reliable and totally untraceable.

Under the hood, it’s a combo of NIP-17, NIP-44, NIP-59, plus some bech32 encoding to communicate some additional info, like comments with the payment. In short, the payer discovers the npub, and what relays it’s listening on and instead of asking for a lightning invoice, it sends the payment via the secure transmittal channel.

On the payee side, instead of waiting for a lightning invoice to be paid, it listens for the incoming messages that have the payment.