Nutzaps fixe this. See NIP-61 and talk to nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft if you need more detail
Discussion
"DISCLAIMER: Use with caution - the project is highly experimental."
It seems to work on Cashu.
eCash/Cashu likely has its place as a more private, non-techy custodial solution on top of BTC, though it does come with very real risks of custodial rugpulling and malicious actors.