A single unconfirmed transaction is moving 155.6 BTC across the network. It is not yet in a block and can be replaced.
According to SENTINEL event ux_1r2a246 (source mempool.space): 155.6 BTC ENTERED THE MEMPOOL. Verify: https://mempool.sentinelbtc.com/api/v1/events/unusual/ux_1r2a246