[4/6 04:00] Ledger CTO warns AI is driving crypto hack costs to zero / Chinese battery storage supplier sees shipments doubling in 2026

AI News Flash for April 06, 2026 at 04:00 UTC. Topics: 1. Ledger CTO warns AI is driving crypto hack costs to zero https://www.coindesk.com/tech/2026/04/05/ai-is-making-crypto-s-security-problem-even-worse-ledger-cto-warns 2. Chinese battery storage supplier sees shipments doubling in 2026 https://www.bloomberg.com/news/articles/2026-04-06/chinese-battery-storage-supplier-sees-shipments-doubling-in-2026 3. Korean AI startup Mediwhale prepares IPO with retina-based CVD prediction https://news.gsmedtech.com/mediwhale-secures-13-1m-in-series-c-funding-preparing-for-ipo/ 4. Sona raises $45M for AI-powered frontline workforce platform https://www.prnewswire.com/news-releases/sona-raises-45m-series-b-to-bring-ai-to-the-frontline-economy-302730478.html