North Korean-linked attackers drained billions from the world’s largest crypto exchange overnight, triggering a withdrawal pause and sharp market declines. Tether and Circle froze roughly $2.3 billion in stablecoins.
The NU7 upgrade cuts Zcash block time from 75 seconds to 25 seconds and permanently shuts down the chain's original Sprout privacy system.
The Office of the Comptroller of the Currency will decide case-by-case whether stablecoin rewards programs from exchanges like Coinbase and PayPal violate the law, with no safe harbor for existing programs.
Leveraged perpetual futures tracking SOXL, SanDisk, and SK Hynix saw $51.6 million in forced liquidations while Wall Street was closed and no real share price existed to anchor the trades.
Turkish media report that HEX and PulseChain founder Richard Heart was detained in Istanbul over a Finnish tax fraud Interpol Red Notice. HEX fell 25% and PLS fell 35% within hours; no government has officially confirmed the detention.
Bitget says attackers compromised a backend wallet system on September 24, making off with $351.6 million in ETH, XRP, BNB, AVAX, and stablecoins — the largest crypto heist of 2026.
Circle launched its Arc blockchain mainnet today, a new public chain where USDC is the native gas token and 12 major financial institutions — including BlackRock, Visa, and Mastercard — serve as validators.
The Digital Asset Market Clarity Act failed its cloture vote 46-43, with seven Democrats who had negotiated the bill for months voting no over Trump-related ethics provisions, effectively killing US crypto market-structure legislation for 2026.
An attacker inflated the price of Tectonic's TONIC token by 100x to borrow $74 million against it on Cronos — the DeFi protocol's TVL collapsed from $122M to $3M, and the blockchain had to halt and restart from a pre-exploit block.
A firmware bug in Coldcard Bitcoin hardware wallets from 2021 weakened the random number generator to roughly 40 bits of entropy, allowing an attacker to reconstruct private keys and drain 1,367 BTC worth approximately $88.6 million in two waves of theft.
Six federal agencies failed to finalize GENIUS Act stablecoin regulations by the July 18, 2026 statutory deadline, leaving issuers in a legal grey zone until January 2027.
The U.S. Office of the Comptroller of the Currency has granted Circle a national trust bank charter, allowing the stablecoin issuer to directly manage the $73 billion in cash and Treasuries backing its USDC token without relying on third-party custodians.