it’s using nostr for everything, decentralized in a way similar to cashu mints and all open source
How does it compare to nostr:nprofile1qqsdy27dk8f9qk7qvrm94pkdtus9xtk970jpcp4w48k6cw0khfm06msppemhxue69uhkummn9ekx7mp0qythwumn8ghj7un9d3shjtnswf5k6ctv9ehx2ap0qy2hwumn8ghj7mn0wd68ytn00p68ytnyv4mz7zvqagl? Ppq can also be paid with ecash via LN.
Discussion
... which on its own doesn't solve any user's problems.
Open source is a plus over ppq though.
Routstr also supports the x-cashu (NUT-24) header protocol .. u don't need to have any balance by ur provider, basically u pay per request .. u will need to have a client that can extract the model cost per request and can generate a cashu token .. https://otrta.routstr.com/documentation/overview
Other projects are following