A frenzy of airdrop claims for a new Ethereum layer-2 network called Scroll briefly drove up the cost of blob fees as high as $4.52, marking the third time that blobs have become costly since Ethereum’s Dencun upgrade in March. “Scroll airdrop claimers just triggered the blob market, they’re no longer free,” said pseudonymous crypto data analyst Hildobby in an Oct. 22 post to X. He blamed the uptick in blob fees on an airdrop for Ethereum L2 Scroll, which listed its governance token SCR on Binance and airdropped the token to its users on Oct. 22. According to data from Dune Analytics, blob fee…