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Blockchain security News
All stories on this topic · 16 posts
In-Crypto has 16 stories on blockchain security, from August 12, 2026 to September 20, 2026. Most of them run in Technology and Ethereum. Often covered alongside quantum computing, Bitcoin, cryptography.
Kevin O’Leary: Bitcoin Could Hit $1M If Quantum Threat Is SolvedKevin O’Leary says Bitcoin could reach $1 million if the crypto industry tackles the quantum computing threat. He shared his view at the Avalanche SumEthereum to Test Glamsterdam Upgrade on Oct 6, 2026 Amid Sepolia Vulnerability WarningEthereum devs will publicly test the Glamsterdam upgrade on Oct 6, 2026. They warn of a block auction vulnerability in the Sepolia testnet that could S&P Global to Acquire Blockchain Security Platform OpenZeppelinS&P Global is set to acquire OpenZeppelin, a blockchain security platform whose smart contracts have processed over $37 trillion in value transfers.Quantum Attack Threat: Bitcoin and Ethereum Security Estimates HalvedResearchers have slashed the estimated quantum attack complexity for breaking Bitcoin and Ethereum cryptography from 3 billion to 1.5 billion operatioQuFi Rolls Out Post-Quantum Bitcoin Security—No Network Changes NeededQuFi Network debuts a post-quantum verification platform, demoing on Bitcoin Testnet4. Their solution boosts blockchain security—no network upgrades rCronos Network Halted After Tectonic DeFi Hack: $6M Drained, $60M FrozenCronos blockchain paused after Tectonic DeFi protocol exploit. Hacker moved ~$6M to Ethereum; $60M frozen. Crypto.com user funds safe, no exchange breFogo Halts Mainnet After Unauthorized Access to 400M FOGO TokensOn August 29, Fogo paused its mainnet after an unknown actor accessed 400M FOGO tokens—over 10% of the supply. The team is working on a network upgradRipple Labs: Blockchain Needs to Brace for Quantum Computing and AIRipple Labs is prepping XRP Ledger for quantum threats and calls for the entire financial system to adapt to the dual rise of quantum computing and AIPolygon Reveals Fixed Vulnerabilities Addressed in Recent Hard ForksPolygon has disclosed details on vulnerabilities already patched in recent hard forks. The bugs posed DoS and validator load risks; fixes were deployeMANTRA Chain Reveals Details of $3.6M Hack and 30-Hour Network HaltMANTRA Chain discloses full report on the August 20, 2026 exploit: 720.9M MANTRA tokens ($3.6M) drained via Cosmos EVM underflow, network paused for 3Cosmos Labs Urges EVM Chains to Halt After Vulnerability Hits Three BlockchainsA Cosmos EVM module vulnerability triggered attacks on Mantra, TAC, and KiiChain (Aug 20–22). Cosmos Labs urges affected chains to pause block productEthereum Eyes Post-Quantum Security With New Deposit ContractEthereum devs propose an upgrade to the deposit contract, paving the way for post-quantum signatures and stronger network security against quantum thrMANTRA Chain Halts Network and Freezes Transactions After AttackMANTRA Chain has temporarily shut down its blockchain and frozen all transactions following an attack. Get the latest details and what this means for Humans Are the Bug: Rethinking the Human Factor in CryptoWhy do some call people the bug in crypto? ForkLog explores the messy, unpredictable impact of humans on the digital economy and blockchain security.Ethereum Foundation Updates Post-Quantum Security Strategy for ETHEthereum Foundation revamps its post-quantum security approach for ETH. Learn what’s changing, why it matters, and what it means for users and the netQuantum Computers vs. Bitcoin: Real Threat or Just Hype?Can quantum computers really break Bitcoin? We break down the real risks, crypto security, and what the quantum era means for blockchain and your coin