Yes, though you can tag nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszythwden5te0dehhxarj9emkjmn99uqsuamnwvaz7tmwdaejumr0dshsz9thwden5te0dehhxarj9ehhsarj9ejx2a30qqs09jtvjlmyrxjn37zv70a89csegcz7rpyqjmnw29cveedhv7vagqq7jnjty  on questions here or on twitter.