A sophisticated supply chain attack on Seychelles-based crypto exchange BigONE led to a $27 million theft from hot wallets, without exposing private keys. The Seychelles-based cryptocurrency exchange BigONE confirmed that on July 16, 2025, it suffered a crypto supply chain attack that allowed cybercriminals to drain $27 million from the exchange’s hot wallets. With a sophisticated attack, the hackers compromised the exchange’s production network and gained access to the funds without ever accessing private keys. Read more
Nexus Mutual has paid about $250,000 in claims to users hit by July’s $3.5 million Arcadia Finance hack on Base. Update (Aug. 4 at 2:20 pm UTC): This article has been updated to add commentary by Phil Johnston, Nexus Mutual’s director of marketing. Crypto-native insurance alternative Nexus Mutual reimbursed customers who had lost money in a recent Arcadia Finance hack. According to a Monday announcement shared with Cointelegraph, Nexus Mutual reimbursed about $250,000 to users who lost funds in the Arcadia Finance hack. The protocol was hacked in mid-July for $3.5 million in USDC (USDC) and USDS on the Base blockchain, with stolen assets swapped to Wrapped Ether (WETH). Read more
French political party Rassemblement National is reportedly preparing a draft law to mine Bitcoin with surplus nuclear energy. Rassemblement National (RN), a French political party, is reportedly pushing to mine Bitcoin using surplus energy from nuclear power plants, signaling a shift from its leader’s previous anti-crypto stance. French newspaper outlet Le Monde reported last week that RN leader and three-time presidential candidate Marine Le Pen now backs using idle nuclear energy for Bitcoin (BTC) mining. She reportedly promoted the plan during a visit to the Flamanville nuclear plant on March 11. The party said the initiative will turn wasted electricity into “secure and extremely profitable” digital assets. According to Le Monde, RN lawmaker Aurélien Lopez-Liguori has spearheaded the proposal in the French Parliament, drafting a bill to install mining infrastructure at sites operated by the energy giant Électricité de France (EDF). Read more
Hyperliquid’s rapid response may boost confidence in decentralized trading platforms, which are gaining market share. Decentralized exchange Hyperliquid has reimbursed nearly $2 million to users affected by a brief outage last week, a move that may strengthen confidence in decentralized trading platforms. The Hyperliquid platform’s application programming interface (API) suffered an outage Tuesday, which saw traders sidelined from order execution for about 37 minutes before resuming operations, its website shows. On Monday, Hyperliquid issued refunds totaling $1.99 million in USDC (USDC) to affected users, onchain data from Hypurrscan shows. Read more
The Qubic mining pool, which is attempting a 51% takeover of Monero, is allegedly being hit by a distributed denial-of-service attack linked to the Monero community. Update (Aug. 4, 2025, at 1:50 pm UTC): This article has been updated to add commentary by XMRig developer Sergei Chernykh. A mining pool behind an attempted 51% takeover of Monero is reportedly under a distributed denial-of-service (DDoS) attack, disrupting the effectiveness of its attempt. In a Sunday X post, Sergey Ivancheglo, who claims responsibility for the takeover attempt, said the Qubic mining pool he controls is under a DDoS attack. He added that the attack resulted in the mining pool’s hashrate falling from 2.6 gigahashes per second down to 0.8 GH/s. Read more
An analysis of an OnlyFans model’s earnings suggests the so-called stripper index doesn’t hold up when applied to digital adult content and Bitcoin. The "stripper index” — an anecdotal measurement that connects economic health with spending on adult entertainment — appears unable to predict Bitcoin’s (BTC) price. Kodi Rose, a self-described “dollar stripper” and adult content creator, alluded to these frontline insights in a recent viral TikTok video, saying she believes the economy is already in a recession as fewer customers are asking where they can “hit the slopes,” a social code for cocaine. The digital equivalent of exotic dancers is adult content creators, and OnlyFans dominates the space. On the platform, users subscribe to creators and tip for extras. Read more