Ethereum Pectra Upgrade Implements PeerDAS, Slashing Layer 2 Transaction Costs by 95%
The Ethereum network successfully activated the Pectra hard fork at block height 21,840,000 on August 25, 2026, delivering PeerDAS (Peer Data Availability Sampling) and expanding target blob capacity from 3 to 12 blobs per block. The upgrade immediately slashed Layer 2 posting costs by 95.4%, reducing average rollup user transaction fees to less than $0.002.