A single unconfirmed transaction is moving 144.34 BTC across the network. It is not yet in a block and can be replaced.
According to SENTINEL event ux_1r1xsg8 (source mempool.space): 144.34 BTC ENTERED THE MEMPOOL. Verify: https://mempool.sentinelbtc.com/api/v1/events/unusual/ux_1r1xsg8