#Blockchain Vulnerabilities

Latest news on vulnerabilities found in blockchain protocols, decentralized applications, and cryptocurrency platforms.

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ForkLog 29 20.09.2021

Solana developers identify cause of major outage

Solana developers published a preliminary report on the causes of the major outage. The incident occurred on September 14 — new blocks did not come out for 17 hours.

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ForkLog 10 15.09.2021

Outage hits Arbitrum scaling protocol

On September 14, at around 17:14 MSK, the Ethereum Layer-2 solution Arbitrum experienced a 45-minute outage due to a bug in the Sequencer contract. During this period the network did not process transactions.

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ForkLog 14 15.09.2021

Solana network restarts after major outage

The Solana validator community successfully completed the restart of the Mainnet Beta. No new blocks had been produced for more than sixteen hours.

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ForkLog 19 14.09.2021

On Solana, on-chain activity stalls after a technical outage

A technical fault hit the Solana mainnet-beta; blockchain explorers show blocks have not been produced for more than two hours.

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ForkLog 10 08.09.2021

OpenSea error burned 42 NFTs worth about $100,000

The oldest decentralized domain name in NFT form, due to the error, ended up at the burn address used by the OpenSea marketplace. In total, the bug affected at least 42 NFTs worth 28.44 ETH (about $100,000).

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ForkLog 9 27.08.2021

Ethereum network records a major block reorganisation

An Ethereum network-wide large-scale block reorganisation was recorded (over 450, per Blockchair and Etherscan). The bug affected Geth v1.10.7 and earlier.

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ForkLog 11 24.08.2021

Developers fix a serious bug in Ethereum’s popular client

Developers of the leading Ethereum client have released a new version, Geth v1.10.8, addressing a serious vulnerability in the code.

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ForkLog 24 18.08.2021

White-hat hacker foils $350m theft in SushiSwap DeFi project

Paradigm partner and cybersecurity expert Sam San explained how he identified and helped fix a vulnerability in the SushiSwap DeFi project. The bug threatened losses of more than 109,000 ETH (about $350 million at the time).

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ForkLog 13 27.07.2021

THORChain halts operations after a string of hacker attacks

The THORChain team announced a halt to operations after several hacker attacks.

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ForkLog 21 27.07.2021

Monero developers uncover flaw in privacy-preserving algorithm

The Monero team discovered a bug in the decoy selection algorithm that could affect the privacy of users' transactions. One of the first to notice it was developer Justin Berman.

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ForkLog 20 23.07.2021

THORChain, the DeFi project, hit by another hacker attack

The THORChain protocol, for the second time in a month, lost funds after a hacker attack. Developers estimated the damage at around $8 million in ETH.

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ForkLog 13 16.07.2021

THORChain DeFi protocol halted after hacker attack

The THORChain protocol lost, according to preliminary estimates, about $4.9 million in cryptocurrency due to a hacker attack. To contain the incident's consequences, all network operations have been suspended by node consensus.

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