Been studying https://foundation.xyz/passport-prime/ from nostr:nprofile1qqsg8k9myvegcelvu2klzvrdh9lr7qnms57chkhjymgpcts09n4dutspzemhxue69uhkummnw3ezumtfd3hh2tnvdakz7qghwaehxw309aux6u3ww4ek2mn0wd68ytn0wfnj7qgmwaehxw309aex2mrp0yhx7unpdenk2urfd3kzuer9wchs3ct77k, looks interesting so far.
Perhaps it'll interest you too!