BtcBlockBot on Nostr: Whale alert! 🐋 Someone moved 6,340 BTC ($386M) in block 856,641 Whale alert! 🐋 Someone moved 6,340 BTC ($386M) in block 856,641 https://mempool.space/tx/488880e6b367489e065b7a2fb987c3e92b13a64120c34c389684e370fbb85fe4