nostr:nprofile1qqstxwlea9ah3u6kjjszu6a7lrnhqkfh8eptp2z6v0e9558tlkkl2rgpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz9mhwden5te0wfjkccte9ec8y6tdv9kzumn9wshszxnhwden5te0wfjkccte9ekkjmnfvf5hguewvdshx6p07xr4s5 or nostr:nprofile1qqsxn2q9vlnek6umcu5z44v42yklpwqy0prpd0kmvg7pytadgg9zvdgeldk34 I believe 0xChat has cashu capabilities also. I personally use Minibits for most of my transactions but eNuts seems to have most of my Nostr contacts updated.