BtcBlockBot on Nostr: Whale alert! 🐋 Someone moved 4,751 BTC ($280M) in block 856,356 Whale alert! 🐋 Someone moved 4,751 BTC ($280M) in block 856,356 https://mempool.space/tx/90c64100cdc1b426e8c32ef8f91b0ade982ade3aafaba3c18900ea411a078584