KelpDAO Suffers $293 Million Attack, Becoming the Largest DeFi Loss of the Year; Tesla's Lithium Refinery Commences Operation to Challenge China's Dominance

BroadChain has learned that at 21:00 on April 20, according to TechFlow, in the AI field, DeepSeek is rumored to have completed a 2 billion RMB financing round, with discussion heat on Zhihu exceeding 1.3 million; Claude AI can already guide users with zero experience to complete whole-genome sequencing, while its user accounts being inexplicably banned has sparked discussions in the community about the risks of relying on AI services. In the crypto market, KelpDAO suffered a hacker attack resulting in a loss of $293 million, making it the largest DeFi attack so far in 2026. The attacker is suspected to be the North Korean Lazarus Group, which exploited a single DVN configuration vulnerability in the cross-chain protocol LayerZero combined with RPC node hijacking to succeed. The community is currently engaged in intense debate over the loss-sharing plan; the SEC announced that some crypto front-ends do not need to register as brokers, which is seen as a signal of regulatory shift; MicroStrategy founder Saylor hinted at larger-scale Bitcoin purchases. In the hardware and technology sector, SK Hynix has begun mass-producing 192GB SOCAMM2 memory exclusively for NVIDIA AI servers; Apple's MacBook Neo is in short supply after launch, with official website deliveries scheduled until May, and the final design of its first foldable iPhone Fold has also been exposed; an investigation into GitHub fake star industry chains has exposed the fragility of the open-source community's trust mechanisms. At the macro and industry level, Iran repeatedly opening and closing the Strait of Hormuz has caused severe oil price fluctuations, and the U.S.-Iran temporary ceasefire agreement is set to expire on April 22; Tesla has launched the first large-scale lithium refinery in the U.S. in Texas, using a sulfuric acid-free process with an annual capacity sufficient for 1 million electric vehicles. Musk stated that this move aims to challenge China's dominance in the lithium refining sector. Additionally, Blue Origin "accidentally" sent a competitor's satellite into the wrong orbit during a launch mission, sparking market speculation. Today's events collectively highlight that the node vulnerabilities in various infrastructures, from DeFi and commercial aerospace to global energy channels, are being systematically tested.