Understanding Pectra: Ethereum’s next upgrade

Original title: Unpacking Pectra: Ethereum's Next Upgrade

Original author: William M. Peaster, Bankless

Original translation: Deng Tong, Golden Finance

Ethereum has been moving forward.

In March 2024, the network launched the Dencun upgrade. Dencun is a fusion of "Deneb" and "Cancun" that aims to slash L2 transaction costs.

What happens next? Pectra is Ethereum's next major upgrade, and it will be more important than Dencun.

Pectra, scheduled to launch in the fourth quarter of 2024 or the first quarter of 2025, combines two previously planned upgrades: Prague (for the execution layer) and Electra (for the consensus layer). Through the merger, Pectra aims to bring multiple ambitious improvements to Ethereum, making it more flexible and optimized than ever before.

What does Pectra include?

Pectra is more than just a small upgrade, it's packed with updates.

Ethereum Improvement Proposals (EIPs) are proposed modifications to Ethereum. They ensure that changes to the network are discussed and agreed upon transparently, and involve the community and core developers.

For the Pectra upgrade, there are currently plans to incorporate 9 standard EIPs and one meta EIP consisting of 11 additional constituent EIPs.

These EIPs include enhancements to account abstraction, validator operations, and overall network performance. Some of the most notable additions are listed below.

· EIP-2537 — Introduces precompilation of BLS12-381 curve operations, making BLS signature operations faster and cheaper, thereby improving accessibility and performance for Ethereum validators and reducing gas costs.

· EIP-2935 — Implements saving hashes of previous blocks in special storage slots to improve the efficiency and reliability of verifying Ethereum data before stateless execution.

· EIP-7002 — Allows validators to trigger exits and partial withdrawals through their execution layer withdrawal credentials, providing more flexible options for re-staking and staking pools.

· EIP-7251 — Increases the maximum effective balance of Ethereum validators from 32 ETH to 2048 ETH, reducing the total number of validators required and simplifying the computational load of the network.

· EIP-7594 — Introduces Peer Data Availability Sampling (PeerDAS) to further optimize L2 and enhance transaction processing and scalability.

· EIP-7702 — Adds a new transaction type that sets the code of an EOA (externally owned account) during a transaction, allowing ordinary wallets to be temporarily converted to smart contract wallets to improve user experience.

· EIP-7692 — A meta-EIP consisting of 11 constituent EIPs, designed to enhance the EVM Object Format (EOF) for more efficient contract deployment and execution.

The New and Improved Ethereum

In the post-Pectra era, Ethereum will meet a wider range of use cases and user needs.

Regular Ethereum accounts will be more programmable, L2 will be more affordable, smart contracts will be more efficient, and validators will be more flexibly managed!

With these enhancements, Ethereum will be better able to handle growing adoption, integrate with other networks, and introduce new features to keep the platform at the forefront of on-chain innovation.

What happens after Pectra?

While nothing is set in stone yet, the Ethereum community is eyeing the implementation of Verkle trees in the Osaka upgrade that will follow Pectra.

“I’m really looking forward to Verkle trees,” Vitalik said earlier this year. “They will enable stateless validator clients, which can allow staker nodes to run on almost zero disk space and sync almost instantly — a much better user experience for solo staking.”

That being said, any of Ethereum’s next upgrades will significantly improve the chain’s usability for users and developers alike. Ethereum won’t be built in a day, but when it comes to building the future-proof network that Ethereum is enabling, slow and steady is the way to go.

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