Transactions on the Optimism network surged 67% following its June 7 “Bedrock” upgrade, according to a June 26 Twitter thread from blockchain analytics firm Nansen. The network had been seeing less than 300,000 transactions per day before the upgrade, but this figure increased to over 550,000 by the middle of June.

Optimism, a layer 2 of , implemented its Bedrock hard fork on June 6. It was intended to reduce deposit times and fees, as well as increase the network’s security. According to the June 26 Nansen report, daily fees have fallen from $80,000 worth of Ether (ETH) directly before the upgrade to only $50,000 as of late June.