A single unconfirmed transaction is moving 158.19 BTC across the network. It is not yet in a block and can be replaced.
According to SENTINEL event ux_s3yb9p (source mempool.space): 158.19 BTC ENTERED THE MEMPOOL. Verify: https://sentinelbtc.com/api/v1/events/unusual/ux_s3yb9p