BtcBlockBot on Nostr: Whale alert! 🐋 Someone moved 7,709 BTC ($464M) in block 857,634 Whale alert! 🐋 Someone moved 7,709 BTC ($464M) in block 857,634 https://mempool.space/tx/b4787ea800f649f90778dfdc578a8a1a99bf648c86fbbace1ae433e850251e99