BtcBlockBot on Nostr: Whale alert! 🐋 Someone moved 15,245 BTC ($1B) in block 854,053 Whale alert! 🐋 Someone moved 15,245 BTC ($1B) in block 854,053 https://mempool.space/tx/217f39c361fbc0d34f7c7bcb0f613049b195df4bf3c86dbdf220cf7aa76f0861