Built my own BTClock made by nostr:npub1k5f85zx0xdskyayqpfpc0zq6n7vwqjuuxugkayk72fgynp34cs3qfcvqg2 together with other people like nostr:npub1cn670f663n3ks02jnnlsvd5y88zjnefy8343ykaxs7y3nzzketrsrjwt8a during Bitcoin Amsterdam this week. What a great gadget and piece of BTC art. 😎