Where did you read this? You do not need to run a bitcoin and lightning node to use CashU--you may be talking about running a mint, which you can also do on .

BTC sessions did a great demo video: https://www.youtube.com/watch?v=riTRD0BdMDI

Also check out https://nutstash.app and https://cashu.space for more information.

Yeah, I'm not talking "use as a service" but "use as a service with a high degree of privacy.