There's been booths at several other conferences. This is similar, but different. It's sponsored by nostr:nprofile1qqs0rxy6jmt44guxkny8z4pkym9mxckqxfytygxuntjn6l80hj409sgpzfmhxue69uhky6t5wd6xzcmt9eshquqpzfmhxue69uhhqatjwpkx2urpvuhx2ucpzamhxue69uhkxcfwdaexzmn8v4cxjmrv9ejx2asult5ph.