Blockchain
Cronos halts blockchain after $75M Tectonic exploit
Cronos halted its blockchain after a Tectonic exploit affected an estimated $75 million, with most identified assets remaining on the network.
Сrypto hack
CoinGecko
CoinGecko: Crypto hacks cost $3.63B in 19 months
Crypto platforms lost $3.63 billion across 245 security incidents as most attacks targeted risks outside routine smart-contract audits.
Ledger
Ledger rejects hack claim after OneKey recreates bug
Ledger rejected OneKey’s hack claim after researchers reproduced a patched flaw that could display one transaction while signing another.
Bitcoin
Core Lightning tells node operators to upgrade after confirming security flaws
Core Lightning has confirmed multiple security vulnerabilities in its Bitcoin Lightning Network software and has urged node operators to install an upcoming security update or temporarily…
News
Coldcard hackers leave 87% of stolen Bitcoin unmoved after $114M theft
More than 87% of the Bitcoin attributed to the Coldcard hack has remained unmoved, leaving 1,561 BTC under attacker control after researchers linked the exploit to…
Feature
The Sandbox’s $49 billion phantom mint: how a bridge exploit created unbacked SAND tokens
An attacker weaponized a single ERC-20 function to hijack LayerZero delegate permissions and mint 329 trillion unbacked SAND on Base, yet the actual reserve drain totaled…
Crypto Wallet
Coldcard firmware update requires affected users to move Bitcoin
Coldcard has released firmware versions 5.6.1 and 1.5.1Q after a three-week security review, while warning that users with affected seed phrases must create new wallets and…
News
Bybit intercepted over $700M in potential losses after $1.46B hack
Bybit’s security systems blocked more than $700 million in potential user losses during the first half of 2026 as the exchange expanded real-time blockchain monitoring and…