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XRPL Foundation Fixes Major Bug Just Ahead of Mainnet Release

A critical vulnerability in the XRP Ledger, potentially exposing up to $80 billion, was discovered by a security engineer using an AI-assisted tool. The flaw involved malformed transactions that could cause consensus failure under specific edge cases. The issue was responsibly disclosed, verified, and patched by the development team. Validator operators were urged to update their software immediately. No exploitation occurred prior to the fix. The incident highlights the effectiveness of combining AI tools with human expertise in blockchain security, enabling early detection of complex vulnerabilities and reinforcing trust in decentralized systems.

TheNewsCrypto02/27 13:16

XRPL Foundation Fixes Major Bug Just Ahead of Mainnet Release

TheNewsCrypto02/27 13:16

Sui publishes post-mortem after mainnet stall halted transactions for six hours

Sui Foundation published a post-mortem detailing a six-hour mainnet stall on January 15, caused by an edge-case bug in consensus commit logic. This led to validators processing conflicting transactions differently under specific garbage-collection conditions, resulting in divergent checkpoint digests. The network automatically halted to prevent inconsistent state finalization, prioritizing safety over availability. No forks, rollbacks, or fund losses occurred, and read operations remained functional. Sui is implementing improvements for faster recovery and enhanced testing to prevent similar issues, confirming the safety mechanisms worked as intended.

ambcrypto01/16 00:29

Sui publishes post-mortem after mainnet stall halted transactions for six hours

ambcrypto01/16 00:29

Bitcoin Core V30 Bug Risks Total Wallet Loss For Legacy Users

Bitcoin Core developers issued an urgent warning regarding a critical bug in versions 30.0 and 30.1 that, in rare cases, can delete all wallet files on a node during legacy (BDB) wallet migration, potentially leading to fund loss for users without backups. A fix is expected in version 30.2, and users are advised to avoid migrating legacy wallets until then. The disclosure sparked debate within the community, with some arguing the risk is understated since v30 forces migration for legacy wallet users, while others noted limited real-world impact with only one user reportedly affected. All agree on the precaution: back up wallets and delay migration until the patch is released.

bitcoinist01/07 23:06

Bitcoin Core V30 Bug Risks Total Wallet Loss For Legacy Users

bitcoinist01/07 23:06

Vitalik Buterin says Ethereum can handle temporary loss of finality

Vitalik Buterin, co-founder of Ethereum, stated that the network can tolerate temporary losses of finality without serious risk, even after a recent client bug nearly disrupted its confirmation mechanism. Buterin emphasized that while finalization indicates a block is irreversible, occasional delays of several hours due to bugs are acceptable. The critical issue to avoid is finalizing incorrect blocks. Experts, including Fabrizio Romano Genovese, supported this view, noting that during such events, Ethereum operates similarly to Bitcoin, which relies on probabilistic finality. In Ethereum, finality is achieved when a block receives over 66% of validator votes and remains unchallenged for over two epochs (64 blocks). While this mechanism ensures deterministic finality, its temporary loss reverts the network to probabilistic guarantees, as seen in a May 2023 incident. The loss of finality may impact infrastructure like bridges and layer-2 solutions, potentially delaying deposits or cross-chain transactions. However, users would not face transaction rollbacks or invalidations. Polygon confirmed that operations would continue normally, though transfers from Ethereum might be delayed until finality is restored. Genovese noted that developers choosing not to implement fallback mechanisms for finality loss bear responsibility for such delays.

cointelegraph12/10 11:55

Vitalik Buterin says Ethereum can handle temporary loss of finality