The Ethereum Pectra upgrade has been deployed on two testnets so far: Mekong testnet on November 7, 2024, and Holesky testnet on February 24, 2025. Additionally, the Pectra upgrade is scheduled to go live on the Sepolia testnet on March 5, 2025.
These testnets provide a preview environment for optimizing transaction scalability and enhancing security ahead of the upcoming Ethereum Pectra upgrade. Notable improvements include:
- Rollup-centric roadmap: The Pectra upgrade aligns with Ethereum’s roadmap by further improving scalability with a rollup-centric approach.
- Enhanced user and developer experience: Upgrading testnets enable developers to test and explore user experience changes, familiarize themselves with the upcoming technical adjustments in the Pectra fork, and ensure a smooth transition when the Ethereum mainnet implements the Pectra upgrade.
Mekong Testnet
The Mekong testnet is the first testnet launched for the Pectra upgrade. It includes all the technical protocols that will be implemented in the upgrade, such as EIP-7702 (enhancing user experience), EIP-7251 (raising the staking limit from 32 ETH to 2048 ETH), and EIP-6110 / EIP-7002 (changes to deposit and withdrawal mechanisms). These features will gradually be rolled out on public testnets and the Ethereum mainnet.
Pectra Upgrade FAQ: https://epf.wiki/#/wiki/pectra-faq
Mekong Testnet Usage: https://mekong.ethpandaops.io
Holesky Testnet
On February 24, 2025, at Epoch 115,968, the Holesky testnet activated the Pectra upgrade, focusing on three key areas:
- EIP-7702: Enhancing functionality by enabling externally owned accounts (EOAs) to mimic smart contract accounts.
- EIP-7251, EIP-7002, and EIP-6110: Improving the validator user experience.
- EIP-7691: Increasing blob throughput, expanding the number of blobs supported per block from 3–6 to 6–9.
For a detailed introduction to the Pectra upgrade, please refer to: Introduction to the Ethereum Pectra Hard Fork
Technical Documentation
EIP-7702: https://eips.ethereum.org/EIPS/eip-7702
EIP-7251: https://eips.ethereum.org/EIPS/eip-7251
EIP-6110: https://eips.ethereum.org/EIPS/eip-6110
EIP-7002: https://eips.ethereum.org/EIPS/eip-7002
EIP-7691:https://eips.ethereum.org/EIPS/eip-7691
For the Pectra upgrade execution layer specification, visit: https://github.com/ethereum/execution-specs/releases/tag/v1.17.0rc6.dev1
For the consensus layer specification, visit: https://github.com/ethereum/consensus-specs/releases/tag/v1.5.0-beta.2