Ecash in a single custodian mint makes more sense than a federation imo.
here's a thought: open access environmental data pushed from tens of thousands of devices to nostr relays and incentivised by sats for data points.
I've just spent 20 minutes getting my meshtastic devices set up again. Worth the time to prepare.

I will make one this week and share.
there is but it's private atm. it will be FOSS but the code needs plenty of refactoring and there's things in the repo that shouldn't be rn.
the event is signed with one 😎
GM from hardware remote signer.
it is madness. I'm still using a pixel 6 and it works great. no need to constantly upgrade any more.
Life is too short to wear socks with holes.
Just bought outboxr.com I have plans.
Basically inviting the worst takes by giving nostr:npub1a8jzweysxa9qmtmht874736aalm0lwdsl306nrys9d05ktlrhw3qcr5pj4 access to my key.