Zcash rose about 20% in 24 hours as Paradigm co-founder Matt Huang disclosed that the firm invested in ZEC amid a broader crypto market rally. Zcash gained about 20% over the past 24 hours as Paradigm co-founder Matt Huang disclosed that the crypto investment firm made an unspecified purchase of ZEC, the privacy-focused token that has been outperforming a broader rise across crypto markets. Zcash (ZEC), a cryptocurrency that enables users to make shielded transactions that conceal addresses and transaction amounts using zero-knowledge proofs, traded around $1,338 at last look on Thursday. Its surge came in the wake of Huang’s Wednesday post revealing that Paradigm is an investor in the Zcash Open Development Lab (ZODL) as well as a ZEC token holder. Today’s more than 10% rise extends ZEC’s one-month increase to roughly 160%, compared to Bitcoin’s (BTC) 18.2% rise in the same period, according to Coingecko data. Read more
Revolut says it received no direct contact despite separate ransom demands for $3 million in Monero and 10,000 Bitcoin from competing breach claimants. Revolut said Thursday it had received no direct contact from those claiming responsibility for a customer data breach despite multiple public ransom demands. A group calling itself “IAmNotAVillain” publicly demanded 6,000 Monero (XMR), worth about $3 million, from Revolut within 24 hours, threatening to sell the customer records to other criminal groups, the Financial Times reported Wednesday. “Revolut has not received any direct contact or demand from the individuals or group making these claims,” a Revolut spokesperson told Cointelegraph. Read more
South Korean police reportedly referred 18 Polymarket users to prosecutors in a gambling probe involving 26 people and $12.7 million in bets. South Korean police have reportedly referred 18 Polymarket users to prosecutors in an illegal gambling investigation involving 26 people who collectively wagered about 17.6 billion won (worth $12.7 million). According to Asia Economy, data submitted by the National Police Agency to the office of Democratic Party lawmaker Yoon Kun-young showed that the Gangwon Provincial Police Agency had placed 26 people under investigation as of Tuesday and sent 18 of them to prosecutors. The report said the largest amount wagered by a single user was about 5.7 billion won ($4.1 million). Police identified users by analyzing publicly available blockchain transactions, the report said. Polymarket lets users buy and sell contracts tied to the outcomes of real-world events and operates on a noncustodial, peer-to-peer structure with automated settlement. It does not maintain a conventiona...
Bitcoin corporate treasuries remained at an unrealized loss on their holdings as the price fell below $80,000 and fresh capital inflows dwindled. Bitcoin (BTC) is no longer a target for corporate treasuries as current buyers sit on unrealized losses, new research shows. Key points: Onchain analytics platform Glassnode reveals that in 2026, listed companies bought around 5,900 BTC — less than 7% of their purchases in July 2025 alone. During that month, companies bought 89,000 BTC, even as BTC/USD traded above $100,000. Read more
The Celsius estate alleges BitMEX wrongfully liquidated and seized 6,360 BTC, worth nearly $490 million, during the March 2020 market crash. The Celsius bankruptcy estate sued five BitMEX-linked companies, alleging fraud, market manipulation and wrongful liquidations during the March 2020 market crash. The complaint was filed on Sept. 12 in the US Bankruptcy Court for the Southern District of New York by Celsius entities acting through estate representative Blockchain Recovery Investment Consortium (BRIC). Defendants include HDR Global Trading, ABS Global Trading, Shine Effort, 100x Holdings and HDR Global Services. The estate alleged that BitMEX wrongfully liquidated and seized 1,325.84 BTC in collateral from Celsius on March 12, 2020, and 5,034.33 BTC from investment fund JST the following day. JST subsequently assigned the related claims to the estate, according to the filing. Read more
The six cases are separate from July’s incident, when OpenAI models escaped containment and hacked Hugging Face during a security evaluation. OpenAI on Wednesday disclosed another six cases of “unexpected or concerning” model behavior over the last six months. In a blog post, OpenAI said the cases illustrate a range of different behaviors it classifies as “misaligned behavior,” such as concealing information from the user and taking “unsanctioned actions” to overcome obstacles. The disclosures add to concerns among AI developers and researchers about whether safeguards are keeping pace with increasingly capable models. Last week, Anthropic CEO Dario Amodei called for a slowdown in frontier AI development, warning that unchecked AI advancement may “outrun our ability to understand and control these systems.” Read more