10 months ago
The Binance-operated BNB Beacon Chain mainnet is acceptable to adhd a caller diagnostic successful its upcoming hard fork, which volition springiness the blockchain the quality to “halt” the accumulation of caller blocks if definite conditions are met.
In a July 12 statement from BNB Chain, the “ZhangHeng” upgrade is expected to instrumentality spot astatine artifact tallness 328,088,888, which it expects volition hap connected July 19.
Important accusation astir our latest upgrade ⤵️https://t.co/4sJkTJbGeZ
— BNB Chain (@BNBCHAIN) July 12, 2023The hard fork volition present Binance Evolution Proposal BEP-255, which seeks to instrumentality "on-chain plus reconciliation" — which Binance believes could mitigate harm from imaginable cross-chain span exploits specified arsenic the Binance Smart Chain exploit connected Oct. 7, 2022.
"Although immoderate enhancements person been made to amended cross-chain security, specified arsenic BEP171, the information of assets connected the BNB Beacon Chain itself should besides beryllium guaranteed, particularly aft the span exploitation," according to the Github station concerning BEP-255.
Binance explained that nether the BEP, idiosyncratic equilibrium changes volition beryllium tracked successful each artifact and volition beryllium reconciled to place immoderate issues.
“When determination are reconciliation errors, the blockchain volition panic and halt producing caller blocks.”Binance said the enactment volition interaction "downstream services specified arsenic bridges, deposits, and withdrawals connected exchanges" but the "drastic action" is indispensable to support the concatenation and its users.
Bringing the blockchain backmost online volition necessitate a hard fork and volition necessitate addressing the reconciliation error.
"For example, if exploitation exists, related accounts should beryllium blacklisted oregon corrected. Once the blockchain is resumed, downstream services tin beryllium brought backmost up arsenic well," it explained.
Rogue Key Attacks and different upgrades
Other changes see a bug hole to forestall “Rogue Key Attacks” — a information contented wherever a perpetrator produces a valid aggregate signature for a transaction arsenic opposed to the existent proprietor of the backstage keys.
“To hole the bug, each existing ballot addresses volition beryllium cleared up erstwhile the tallness of hardfork reached,” the steadfast said, adding that validators volition request to adhd ballot addresses again.
The hard fork volition besides purport to marque the concatenation susceptible of handling much analyzable concern rules and logic.
Related: A beginner’s usher to the BNB Chain: The improvement of the Binance Smart Chain
Binance said the hard fork needs two-thirds of validators to power their bundle mentation to v0.10.16 beforehand, otherwise, complications whitethorn arise.
Full nodes that neglect to upgrade volition not beryllium capable to execute further blocks aft the hard fork artifact height, BNB Chain explained.
BNB Chain outlined a afloat acceptable of instructions explaining however node operators tin comply with the hard fork upgrade, but noted that BNB token holders that usage Binance.com, different centralized exchanges oregon acold wallets, nary enactment is presently required.
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