In an experiment, a chatbot resorted to blackmail after it found an email about replacing it, while in another, it cheated to complete a task with a tight deadline. Artificial intelligence company Anthropic has revealed that during experiments, one of its Claude chatbot models could be pressured to deceive, cheat and resort to blackmail, behaviors it appears to have absorbed during training. Chatbots are typically trained on large data sets of textbooks, websites and articles and are later refined by human trainers who rate responses and guide the model. Anthropic’s interpretability team said in a report published Thursday that it examined the internal mechanisms of Claude Sonnet 4.5 and found the model had developed “human-like characteristics” in how it would react to certain situations. Read more
Circle’s plan to make Arc quantum-resistant comes amid increasing fears that "Q-Day" may come sooner than anticipated. Stablecoin issuer Circle has released a post-quantum security roadmap for its layer-1 blockchain, Arc, aiming to implement solutions across all layers of the network’s tech stack. Circle said on Thursday that it is planning a phased implementation, starting with quantum-proof wallets and signatures when Arc launches on mainnet. This feature will be opt-in, the company noted, while adding that solutions at the validator level and surrounding infrastructure will be implemented later on. “Quantum resilience cannot live only in research papers, exploratory pilots, or distant roadmap slides. It has to show up in the infrastructure,” Circle said. Read more
Security researcher Taylor Monahan listed at least 40 decentralized finance platforms she claims have been infiltrated by North Korean IT workers at some stage of their lives. North Korean IT workers have been embedding themselves in crypto companies and decentralized finance projects for at least seven years, according to a cybersecurity analyst. “Lots of DPRK IT workers built the protocols you know and love, all the way back to DeFi summer,” said MetaMask developer and security researcher Taylor Monahan on Sunday. Monahan claimed that over 40 DeFi platforms, some being well-known names, have had North Korean IT workers working on their protocols. Read more
Bitchat launched in July last year and has been used during protests in Madagascar, Uganda, Nepal, Indonesia and Iran as authorities attempted to restrict usage of the internet. Bitchat, a decentralized peer-to-peer messaging app developed by Block CEO Jack Dorsey, has been removed from Apple’s App Store in China for allegedly violating its internet service regulations. In an X post on Sunday, Dorsey shared a screenshot from Apple’s app review team informing him that Bitchat had been removed from the App Store in February and that the TestFlight beta version would no longer be available in China at the request of the Cyberspace Administration of China (CAC). “Bitchat pulled from the China App Store,” he said. Read more
Michael Saylor posted "back to work" on X on Sunday, signaling a potential Bitcoin purchase after the firm paused buying last week. Michael Saylor has hinted his Bitcoin treasury firm is back on track with its weekly Bitcoin purchases after taking a rare week off at the end of March. In an X post on Sunday, Saylor shared a screenshot from StrategyTracker with the caption "Back to Work.” He often posts the chart ahead of purchase announcements. The firm took a week off from buying BTC at the end of March, breaking its weekly buying streak for the first time this year. The firm's last purchase was reported on March 23, buying about $77 million worth of BTC at $74,326 per coin. Read more
US President Donald Trump threatened Iran could be "living in Hell" if it doesn't open the Strait of Hormuz, though he also told reporters that a deal with Iran is getting close. Crypto markets bounced 2.5% as US President Donald Trump sent mixed signals over a potential deal with Iran to reopen the Strait of Hormuz, including reports of a possible ceasefire that could permanently end the war. In an expletive-laden post on the Truth Social platform on Sunday, Trump threatened that Iran would be “living in Hell” if the Strait of Hormuz is not reopened. However, he also acknowledged in a Fox News interview that Iran is “negotiating now” and expressed optimism about a “good chance” of a deal within 24 hours. Read more