Check his GitHub for activity maybe?
anyone know what happened to nostr:nprofile1qyw8wumn8ghj7un9d3shjtnzd96xxmmfdecxzunt9e3k7mf0qy2hwumn8ghj7un9d3shjtn4w3ux7tn0dejj7qpqutx00neqgqln72j22kej3ux7803c2k986henvvha4thuwfkper4sau8ykj? he's been mia and https://algo.utxo.one/ has been down for like a week.
Discussion
Also dead since two weeks.