


Japan and the United States bought yen together on 31 July 2026, their first coordinated yen-buying operation since June 1998, and the currency has since firmed from a 40-year low of 163.99 into the 155-156 area. This explainer sets out the three channels linking the yen to bitcoin: carry-trade unwind risk, yen-denominated repricing, and the dollar-weakness correlation that points the other way.
Coldcard’s RNG flaw exposed predictable Bitcoin seeds, showing why affected users may need fixed firmware and a fresh wallet.
Learn why slippage spikes during earnings season, how tokenized stocks and stock futures differ from traditional brokers, and what traders should know before trading volatile earnings moves.