I'm using cashu-ts to encode/decode ecash tokens, get mint keysets and info and more. as nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft mentioned the NDK NIP-60 wallet uses cashu-ts under the hood https://github.com/search?q=repo%3Apurrgrammer%2Fchachi%20cashu-ts&type=code