BNB Smart Chain Prepares for Pascal Hard Fork: What You Need to Know

BNB Smart Chain, the smart contract platform within the BNB Chain ecosystem, is gearing up for a significant update. The Pascal hard fork, part of BNB Chain’s 2025 roadmap, is set to bring key features from Ethereum’s Pectra upgrade. This upgrade aims to enhance cross-chain compatibility, speed up transactions, simplify user experience, integrate AI, and improve developer tools.

New Features in the Pascal Upgrade

The Pascal upgrade will introduce several technical improvements, including:

  • Native smart contract wallets
  • Enhanced security
  • Modifications for cryptography
  • Multi-signature support for smart contract wallets
  • Adjustable spending limits and batch transactions

These features are designed to enhance overall efficiency and usability. The BEP-439 proposal, which integrates a new cryptographic curve, will reduce the amount of work needed to perform calculations, making transactions faster and more memory-efficient.

“It has a special mathematical structure (called a twist) that reduces the amount of work needed to perform calculations. This makes it much faster and more memory-efficient compared to older cryptographic curves.”

What to Expect for Regular Users and Developers

Regular users won’t need to take any action in response to the update. However, the BNB Chain team cautions that gas costs may experience periods of volatility, potentially fluctuating before stabilizing.

“Regular BNB Chain users don’t need to take any action. The upgrade will happen automatically, and most Dapps will continue functioning as expected. However, users of Dapps that are highly sensitive to gas cost changes should stay updated with announcements from those platforms.”

For blockchain developers, it’s essential to prepare for the upcoming changes. The BNB Chain team advises protocol developers to explore smart contract wallets to build more user-friendly decentralized apps with better security and flexibility.

Key Takeaways for Developers

  • The Pascal hard fork changes the block header structure.
  • The “RequestsHash” feature makes the block header format compatible with Ethereum’s EIP-7685 proposal.
  • Developers who deal with block headers need to update their code accordingly to avoid incorrect hash calculations.

When to Expect the Pascal Upgrade

The Pascal hard fork will be rolled out in two stages. The first phase starts on February 25, with the upgrade being deployed on the BNB Smart Chain Testnet. The main upgrade is planned for mid-March, but the final date may be pushed back if any unexpected issues are found during testing.

The BNB Chain team considers Pascal a significant milestone, setting the stage for the next two major forks: Lorentz and Maxwell, which will further reduce block intervals.

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