I will be at nostr:nprofile1qqsphtcc46rrelvptfm4c2y58k85alnam0lfu773mgwdmtynka0zspspzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtcd55m55 in Vegas with a session on `OP_CHECKCONTRACTVERIFY`.

What should I talk about?