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BNB Beacon Chain’s Scheduled Barral Hard Fork Upgrade and Its Impact on Cross-Chain Bridging

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On April 17th, according to the official blog, the BNB Beacon Chain is expected to undergo a scheduled Barral hard fork upgrade at block height of 310182000. Based on the current b

BNB Beacon Chains Scheduled Barral Hard Fork Upgrade and Its Impact on Cross-Chain Bridging

On April 17th, according to the official blog, the BNB Beacon Chain is expected to undergo a scheduled Barral hard fork upgrade at block height of 310182000. Based on the current block generation speed, it is expected that a hard fork will occur on April 21st at 15:00 Beijing time. All node operators on the main network must switch their software version to v0.10.10 before April 21st. In this upgrade, BEP171 will introduce several security enhancements for cross chain bridging between BNB beacon chains and BNB smart chains (BNBSmartChain). In order to further eliminate the widespread impact of potential issues in cross chain modules, BEP171 proposes the following improvements: 1. Upgrade IAVL proof validation to the ICS23 specification. 2. Apply timer locks to massive cross chain fund transfers. 3. Through forged proof detection, cross chain channels can automatically pause. In emergency situations, any verifier can suspend cross chain channels.

The BNB beacon chain is scheduled to undergo a Barral hard fork upgrade on April 21st, introducing several security enhancements across the chain

On April 17th, the official blog announced that the BNB Beacon Chain will undergo a scheduled Barral hard fork upgrade at block height of 310182000. The upgrade is expected to happen on April 21st at 15:00 Beijing time, considering the current block generation speed. This upgrade introduces several security enhancements for cross-chain bridging between the BNB beacon chains and the BNB smart chains (BNBSmartChain), specifically focusing on the BEP171.
# Table of Contents
– Introduction
– What is a hard fork upgrade?
– Schedule of the Barral hard fork upgrade
– Why the upgrade is needed?
– Improvements brought in by BEP171
– Conclusion
– FAQs

Introduction

The Binance Smart Chain (BSC) is a high-performance blockchain that runs in parallel with the Binance Chain. The BSC facilitates the creation of smart contracts and high-speed transactions. It also allows users to connect with other Binance ecosystems like the Binance DEX (Decentralized Exchange) and Binance Launchpad. The BNB Beacon Chain is a network that serves as a link between multiple chains.

What is a hard fork upgrade?

A hard fork is a change in the blockchain protocol, resulting in two versions of the blockchain. This change can be permanent or temporary. In a permanent change, the new version of the blockchain creates a new cryptocurrency, while the old one still exists. Only the new version can receive updates, and users can transfer funds between the two versions. In a temporary change, the old version of the blockchain is abandoned, and only the new version exists.

Schedule of the Barral hard fork upgrade

The BNB Beacon Chain is a network that connects different blockchains, and it is set to undergo a scheduled Barral hard fork upgrade at block height of 310182000, which is expected to happen on April 21st at 15:00 Beijing time. All node operators on the main network must switch their software version to v0.10.10 before April 21st.

Why the upgrade is needed?

Cross-chain bridging is a process of transferring digital assets from one chain to another. As this process involves multiple chains, it is critical to ensure the security and integrity of the transfer. The BEP171 introduces several security enhancements for cross-chain bridging, which is the main reason for this scheduled hard fork upgrade.

Improvements brought in by BEP171

The hard fork upgrade introduces several improvements to the BNB Beacon Chain to strengthen the security of cross-chain bridging. These improvements include:
1. **Upgrade IAVL proof validation to the ICS23 specification:** The upgrade proposes to replace the current IAVL (Interleaved Atomic Value Lattice) proof validation with ICS23 (Interchain Structured Coincident Proof) specification, which is a more advanced version of the former.
2. **Apply timer locks to massive cross-chain fund transfers:** Cross-chain fund transfers typically have more risk associated with them. To address this, the upgrade proposes to apply timer locks to massive cross-chain fund transfers that have high-value transactions. This process allows you to delay the transfer between two chains until a specific duration after the transfer request has been initiated.
3. **Through forged proof detection, cross-chain channels can automatically pause:** In the case of an anomaly occurring during a cross-chain transfer, the proposed upgrade will automatically detect the anomaly and pause the cross-chain channels responsible for the transaction. This ensures that all cross-chain channels are operating optimally.

Conclusion

The scheduled Barral hard fork upgrade on April 21st for the BNB Beacon Chain is an essential upgrade that strengthens the security and integrity of cross-chain bridging between BNB beacon chains and BNB smart chains (BNBSmartChain). With the enhancements proposed by BEP171, cross-chain fund transfers will be performed with high-security measures in place.

FAQs

1. What is the Barral hard fork upgrade, and when will it happen for the BNB Beacon Chain?
– The Barral hard fork upgrade is a scheduled upgrade for the BNB Beacon Chain, set to happen at block height of 310182000, which will take place on April 21st, 2021, at 15:00 Beijing time.
2. What are the security enhancements proposed by BEP171?
– The proposed security enhancements are upgrading IAVL proof validation to the ICS23 specification, applying timer locks to massive cross-chain fund transfers, and detecting forged proof to pause cross-chain channels automatically.
3. Why do we need a hard fork upgrade for the BNB Beacon Chain?
– The hard fork upgrade is a critical step towards enhancing the security and integrity of cross-chain bridging between BNB beacon chains and BNB smart chains (BNBSmartChain). The upgrade proposed by BEP171 will address several security measures needed to perform cross-chain transactions with maximum security in place.

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