Last month the Veriblock testnet represented more than 30 percent of BTC’s network transactions but the project took a hiatus before launching the protocol’s mainnet. When the project stopped, the BTC network’s mempool dropped, transactions per day were cut in half, and fees slightly dipped. However, since the mainnet launch of the Veriblock blockchain, the mempool is once again getting ‘spammed’ and average transaction fees have increased over the last few days.
https://news.bitcoin.com/mempool-spam-and-rising-fees-the-consequences-of-veriblocks-mainnet-launch/