Tag
On-Chain Security
6 articles
Coldcard Exploit Drives July Crypto Thefts to $247 Million
Hardware wallet breach, DeFi hacks and bridge exploits made July the second-worst month for stolen digital assets in 2026
MAYAChain Exploit Drains $1.7M Via Six Chained Bugs, CACAO Collapses 88%
An attacker exploited sequential accounting flaws in MAYAChain on Aug. 18 to extract 20.83 BTC and millions in CACAO and LINK, with total pool losses reaching $10.9 million after arbitrage cascades.
Coldcard Exploit Drives July Crypto Thefts to $247.4M
The hardware wallet breach alone accounted for at least $100 million in stolen Bitcoin, impacting 7,300 wallets across confirmed attack waves.
HTX Probes Address-Poisoning Attack as Binance Cuts Ties Aug. 23
HTX says it did not initiate the small transfers flooding its addresses; Binance halts transactions with the exchange over regulatory concerns.
tx Bridge Exploit Drains 200,000 XRP in 97-Minute Attack
A deposit-validation flaw in the tx XRPL bridge let an attacker mint unbacked bridged XRP and redeem it for real assets, draining roughly $202,000.
Blockaid: Crypto Exploits Hit Record 212 in H1 2026, Losses Reach $1.1B
The first half of 2026 logged the highest verified on-chain exploit count on record, even as total dollar losses fell below prior comparable periods.