i think he doesnt have a signing extension.. is that correct nostr:nprofile1qqsv0l5jlqx9zmqv2jc4arf9dtq89qgrdkf5ag0l88asek9ql4nhwdsppemhxue69uhkummn9ekx7mp0qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtcplgdvn? (without this, it will still allow you to paste a pubkey to join..)

if so, lets make the issue, improve the member signup when no signing is present..