According to @rovercrc, President Trump said all NATO nations are preparing to implement major sanctions on Russia and 50%–100% tariffs on China, though this remains unconfirmed pending official communiqués or policy documents, source: @rovercrc on X, Sep 13, 2025. If confirmed, a sanctions and tariff shock would likely tighten global financial conditions, historically elevating volatility and strengthening the U.S. dollar, a mix that has pressured risk assets including BTC and ETH, source: Reuters coverage of 2018–2019 trade-war episodes; BIS Bulletin No. 57 (2022). Trade tensions in 2019 coincided with risk-off moves across equities and a stronger DXY, conditions under which crypto has shown higher downside beta, source: Reuters market wrap Aug–Sep 2019; BIS (2022). Broad sanctions on Russia have previously disrupted energy and metals flows, adding inflation risk that can push yields higher and weigh on liquidity-sensitive assets like crypto, source: European Council Russia sanctions timeline 2022–2024; International Energy Agency analyses 2022–2023. BTC has tended to exhibit negative correlation with the U.S. dollar index in stress periods, so a DXY spike on tariff or sanctions headlines can be a near-term headwind, source: Coin Metrics State of the Network correlation analyses (2022–2023); Kaiko market data briefs (2022–2024). Traders should await official NATO or U.S. government releases before positioning and monitor DXY, U.S. 10Y yields, energy prices, and BTC funding/flows for confirmation of risk-off conditions, source: U.S. Treasury and USTR policy releases; NATO press statements; TradingView and Kaiko market data.