BtcBlockBot on Nostr: Whale alert! 🐋 Someone moved 4,503 BTC ($248M) in block 850,794 Whale alert! 🐋 Someone moved 4,503 BTC ($248M) in block 850,794 https://mempool.space/tx/1c02bac40c9882f0eba75a24530115dddd44e39f55d8ced6e00c156ac6fdbe21