Comment on page
Mempool vsize Entered 1 Minute
The total virtual size (vsize) of all transactions that have entered the mempool over the course of a 1-minute aggregation window. The beginning of this time window is noted in the “time” field of the response. Virtual Size (vsize) is a unit used to measure the size of a bitcoin transaction after the activation of SegWit.
The mempool is evaluated and all transactions within are indexed. The virtual size of all transactions that have entered the mempool in the previous 1-minute window is summed.