A single unconfirmed transaction is moving 194.35 BTC across the network. It is not yet in a block and can be replaced.
According to SENTINEL event ux_z7v9lq (source mempool.space): 194.35 BTC ENTERED THE MEMPOOL. Verify: https://sentinelbtc.com/api/v1/events/unusual/ux_z7v9lq