CryptoNews

Ripple’s Schwartz Flags DeFi Bridge Trade-Offs After KelpDAO Incident

SecurityPublished:Apr 20, 2026, 6:30 PM Ripple’s Schwartz Flags DeFi Bridge Trade-Offs After KelpDAO Incident Security trade-offs in cross-chain infrastructure are drawing sharper scrutiny as operational shortcuts threaten to undercut protections built into bridge designs. Ripple CTO Emeritus David Schwartz’s latest remarks tied those risks to RLUSD-related evaluations and broader collateral…
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Cleantech & EV'sNews

Tesla launches 'Robotaxi' in Houston and Dallas with tiny geofences

Tesla announced today that its “Robotaxi” service is now rolling out in Dallas and Houston, marking the company’s first expansion beyond Austin and San Francisco. The company shared maps of the two new service areas, which appear to cover small slices of each city. The Houston geofence covers approximately 25 square miles, according to early user analysis of the maps, while the Dallas zone…
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DefenseNews

US Navy wants helicopter sonar that can detect subs – and mines

As the Iran war has shown, detecting and sweeping mines is one of the biggest challenges for the U.S. Navy. Meanwhile, the sea service also has to worry about detecting submarines operated by China, Russia and other nations. But rather than separate sonars and helicopters for spotting mines and subs, the Navy is exploring the convenience of having one sonar that allows a single helicopter to…
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ComputersNews

Norton VPN review: Simple, speedy, and better than ever

Norton has joined the growing list of security giants offering standalone VPN products. What was once a fairly basic add-on to its antivirus service, though, has evolved into something far more serious. Recent updates have brought meaningful performance gains, tighter privacy practices, and a steady rollout of new features. The company’s security software has always been some of the best on the…
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