Ethereum gets huge mainnet upgrade tomorrow – Here’s why you should care ETH’s ‘sloping side road’
Ethereum's Fusaka upgrade on December 3rd will boost rollup throughput via PeerDAS, double block gas limits, and add native passkey signature support.Summary
Ethereum's Fusaka upgrade, activating on December 3rd, is a major mainnet update focused on increasing throughput and improving developer primitives. The core technical change is PeerDAS (EIP-7694), which allows nodes to verify blob data by sampling small pieces, significantly scaling data availability and leading to cheaper Layer-2 transaction fees. The upgrade also doubles the default block gas limit to 60 million gas, providing more space for transactions and blob processing, with further capacity expansions planned via two follow-on "Blob Parameter Only" forks (BPO1 and BPO2). Additionally, Fusaka rewires the blob fee market (EIP-7918) to maintain economic rationality between blob and execution gas costs. For developers, it introduces new tools like a count-leading-zeros opcode and, crucially, EIP-7951 adds native support for the secp256r1 curve, enabling direct verification of passkey-style signatures (like FaceID/TouchID) on Ethereum. The upgrade targets execution-layer throughput and does not affect staking incentives.
(Source：CryptoSlate)