An outflow of about $89 million from the Coldcard hardware wallet platform has reignited debate over the safety of bitcoin self-custody. Bloomberg senior ETF analyst Eric Balchunas said the incident could underscore the benefits of regulated spot bitcoin exchange-traded funds. He pointed to a firmware flaw in Coldcard and questioned the scale of its maker Coinkite, while noting ETFs are less suitable for spending bitcoin directly.

AI research lab SSI, founded by Ilya Sutskever, has signed a long-term partnership with Nvidia that provides access to the next-generation GPU platform Vera Rubin, TechCrunch reported. The agreement also includes an undisclosed investment, and Nvidia’s investment in SSI is reported to be in the billions of dollars. SSI said the deal will expand its computing resources and support its private research.