1. Who cares if you never go back to fiat?
2. If you are really paranoia with privacy, yoiu can use disosable nodeIDs
Why people do not learn the power of running private nodes?
nostr:nprofile1qqs0nt9skq6vfsgh06v979rrnuchau87mmnk2lqxpv2xaeusqfp30mqpzamhxue69uhky6t5vdhkjmn9wgh8xmmrd9skctcpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgwwaehxw309ahx7uewd3hkctc9ad278 you seems really expert in that things, do you know the answer? I dont know how to consider this service, cause if they are able to see onchain is not so good. Maybe some sort of node-alias is involved?
Discussion
I think theres a misunderstanding, their service permit to buy sats with fiat directly in your phoenix wallet (or other lightning announced/anannounced channels, I tried also with zeus) without kyc (kyclite cause the fiat payment method).
My doubt is that the invoice that they use could request the non-aliased nodeid to phoenix and that theres a way for pocket to obtain infos aboit the UTXO behind the channel.