Security
Litecoin rewrites three hours of history to undo its first major privacy-layer exploit
Attackers used the more than three-hour fork window to attempt double-spends against cross-chain swap protocols.
Security
Security
Clock is ticking for bitcoin to prevent quantum threat as it could drain 6.9 million BTC including Satoshi’s
Bitcoin faces an escalating quantum computing threat that could potentially compromise 6.9 million BTC, including coins believed to belong to the cryptocurrency's pseudonymous creator Satoshi Nakamoto, according to a new analysis. The vulnerable holdings represent early Bitcoin addresses that use exposed public keys, making them susceptible to
Security
Researcher breaks 15-bit elliptic curve key in ‘largest quantum attack,’ wins 1 bitcoin bounty from Project Eleven
Independent researcher Giancarlo Lelli derived a 15-bit elliptic curve key on a publicly accessible quantum computer, Project Eleven said.
Security
Aave rallies DeFi partners to contain fallout from $292 million KelpDAO hack
Aave has mobilized a coalition of decentralized finance (DeFi) protocols to mitigate the impact of a $292 million exploit targeting KelpDAO, one of the largest hacks in DeFi history. The attack, which occurred on April 23, 2026, resulted in the drainage of funds from KelpDAO's liquid staking protocol.
Security
DeFi Just Lost $15 Billion in Three Days. Something Deeper Than a Hack Is Behind It
DeFi is having one of its most difficult weeks in recent memory. What started as a single exploit on April 19 has since cascaded into a system-wide liquidity shock that has rattled confidence across the ecosystem and raised questions that go well beyond the incident itself. Related Reading: Another
Security
JPMorgan says persistent security flaws curb DeFi’s institutional appeal
JPMorgan has identified ongoing security vulnerabilities as a major barrier preventing institutional adoption of decentralized finance (DeFi) protocols. In a new research report, the banking giant highlighted persistent smart contract exploits, flash loan attacks, and governance token manipulation as key risks that continue to plague the DeFi ecosystem. The bank&
Security
Lazarus-linked macOS malware hits crypto and fintech firms
Security researchers linked a new “Mach-O Man” malware kit to a Lazarus campaign that uses fake meeting invites and ClickFix prompts to steal credentials and access corporate systems on macOS.
Security
Another DeFi protocol loses millions in hack days after KelpDAO breach
Another decentralized finance protocol has fallen victim to a major security breach, losing millions of dollars in user funds just days after the KelpDAO incident. The unnamed DeFi platform suffered what appears to be a smart contract exploit, with hackers draining significant liquidity from the protocol's pools. Initial
Security
North Korea hit crypto for $500M+ this month — and the $6.75 billion threat is not over yet
In just under three weeks, cyber operatives linked to the Democratic People’s Republic of Korea (DPRK) have stolen more than $500 million from crypto DeFi platforms. This marks a drastic escalation in Pyongyang’s state-sponsored campaign to bankroll its weapons programs through cryptocurrency theft.
Security
‘Are we an industry of clowns?’: DeFi grapples with security tradeoffs after $292M Kelp DAO fallout
Aftermath conditions from Kelp DAO’s exploit has opened a broader debate over DeFi’s security model, after billions left Aave.
Security
Aave’s core markets hit 100% utilization at once, and that's not a good thing
Aave's core lending markets reached 100% utilization rates simultaneously, creating a critical liquidity shortage across the decentralized finance protocol. The unprecedented event affected multiple asset pools including USDC, USDT, and ETH markets, leaving no available tokens for new borrowers and triggering maximum interest rates across the platform. This
Security
Inside the 'fake police raid' that forced a $1M Bitcoin transfer
A fake police raid enabled a $1 million Bitcoin robbery, exposing the rise of wrench attacks and the shift from digital hacks to physical crypto threats.