March 23, 2024

Polygon PoS Sidechain Implements Napoli Hard Fork

Polygon's proof-of-stake (PoS) sidechain achieves a milestone with the successful implementation of the Napoli hard fork, pioneering support for Dencun features and becoming the first network to embrace RIP-7212.

The Polygon network has embraced the Napoli hard fork, marking a significant stride forward from Ethereum's recent Dencun upgrade. This pivotal event introduces three key enhancements: EIP-1153 for transient storage optimization, EIP-6780 tightening the reins on SELFDESTRUCT operations, and EIP-5656 simplifying memory copying instructions.

EIP-1153 revolutionizes block space utilization, fostering a more efficient network performance. Conversely, EIP-6780 bolsters security by imposing stricter controls over the selfdestruct opcode. Meanwhile, EIP-5656 tackles technical complexities, streamlining processes within the network.

Polygon's roadmap includes the integration of EIP-4844, a pivotal fee-reduction measure from Dencun, slated for inclusion in the upcoming Feijoa upgrade set to debut in May.

A standout feature of the Napoli hard fork is the incorporation of RIP-7212, a game-changing upgrade for mainstream interoperability. Developed by RollCall, a consortium of layer 2 teams, RIP-7212 introduces precompile support for the secp256r1 curve, enhancing compatibility with mainstream technologies. This advancement holds promise for applications such as secure enclave key storage in iPhones and streamlined verification processes.

Polygon lauds RollCall as a proponent of extending the Ethereum Virtual Machine (EVM) within layer 2 solutions while upholding Ethereum's foundational open standards. Community-driven initiatives within Polygon aim to introduce additional RIP/EIP track changes in future hard forks. These proposals include EIP-3074, enriching developer options with enhanced account abstraction on PoS, and PIP-30, which elevates the EIP-170 max code size limit.

RollCall's efforts to implement RIP-7212 extend beyond Polygon, with other layer 2 projects like ZkSync Era and Optimism aligning towards integrating this upgrade. This collaborative endeavor underscores a collective push towards advancing layer 2 solutions as Ethereum's primary scaling mechanism.

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