Gate market data shows the USD/JPY pair has climbed above the 159.5 mark, last quoted at 159.508. The U.S. dollar has gained 0.1% against the Japanese yen over the past 24 hours.

BitMEX co-founder Arthur Hayes used his latest essay, "Yen-quake," published on Aug. 11, to argue that the long era of cheap yen may be nearing an end and that any U.S.-Japan effort to support the currency through the Federal Reserve’s FIMA Repo Facility could amount to a fresh channel for dollar liquidity. In his view, that matters well beyond foreign exchange: if Japan can obtain dollars by posting U.S. Treasuries to the Fed instead of selling those bonds outright, the result could support the yen without forcing heavy liquidation of U.S. assets, while also expanding the Fed’s balance sheet in practice. Hayes says that kind of liquidity backdrop has historically favored scarce assets such as Bitcoin and gold. The essay also opened with an unexpected Taiwan reference. Recalling the 2011 earthquake in Japan, Hayes wrote that one question on his mind at the time was whether he could physically handle another run of Taiwan’s Spring Scream festival in Kenting, later adding in a footnote: "This is the most underrated music festival in Asia, I fucking love Taiwan." He said he is currently adding exposure to Bitcoin, physical gold, gold miners and ETH, while describing Ethena’s ENA as a higher-risk, higher-upside trade tied to the liquidity thesis.

Japan and the United States have shown rare coordination in pushing the yen stronger, but a fundamental rift between U.S. Treasury Secretary Bessent and Japanese Prime Minister Takaichi Sanae over the Bank of Japan could weaken that joint effort, according to ChainCatcher. Bessent views tighter monetary policy as vital to addressing the yen's weakness, while Takaichi is cautious about raising interest rates and concerned about the impact on Japan's economic recovery. The BOJ's benchmark rate still stands at 1%. The two officials' differences on how the central bank should act stand out even as their governments align on the goal of a stronger yen, and those differences could undercut what the two sides are trying to achieve together.

PANews’ daily roundup on Aug. 11 centered on two balance-sheet stories with direct relevance to crypto markets. Strategy said it sold 1,690 BTC last week and lifted its U.S. dollar reserve to about $4.65 billion, while also raising roughly $653 million through its at-the-market equity program. CEO Phong Le said the company had adjusted its approach because bitcoin alone could not meet investor demand, adding that institutional investors place greater value on cash and that Strategy now holds $4.75 billion in cash, enough to cover roughly 2.7 years of preferred dividends. Trump Media, by contrast, reported a first-half loss of $360.6 million tied to the decline in crypto asset prices. As of June 30, the company held 9,477.16 BTC with a fair value of $557.1 million, down by 65 BTC from the end of March, while its Cronos holdings stayed unchanged at about 756.1 million tokens but fell in fair value from $68 million at the end of 2025 to $40.6 million. The report also noted that most of its bitcoin had been pledged as collateral. Elsewhere, South Korea approved tougher crypto rules that tighten scrutiny of exchange major shareholders and remove the 1 million won threshold for the Travel Rule, extending it to all transfers. U.S. spot bitcoin ETFs recorded a net outflow of $145 million on Aug. 10, with BlackRock’s IBIT seeing the largest single-day net outflow at $53.56 million.

BitMEX founder Arthur Hayes argued in his Aug. 11 essay "Yen Quake" that mounting pressure in the yen and Japanese government bond market could force the U.S. Federal Reserve into a form of indirect balance-sheet expansion through the FIMA facility. In his framework, Japan could pledge U.S. Treasuries to the Fed, obtain dollar funding, intervene in FX markets by selling dollars for yen, and then use the repatriated yen to support domestic bonds and equities. Hayes described the process as a kind of "shadow QE" that would add global dollar liquidity. He laid out three possible paths: a Bank of Japan rate hike, Japanese institutions selling overseas assets, or a FIMA-based funding route, which he said was the most likely. Hayes also listed four expected effects if that mechanism is used: Fed balance-sheet growth tied to FIMA collateral, a stronger yen, lower Japanese bond yields, and higher Japanese equities. For crypto markets, Hayes said the bigger implication is liquidity. He argued that more dollar creation would be supportive for Bitcoin, though he cautioned that a rapid yen move in the short term could still pressure crypto prices first. He added that Maelstrom is already heavily long Bitcoin and said gold and USD/JPY would likely provide the earliest signals.

A dense batch of overnight developments across crypto and AI put institutional treasury moves, exchange remediation, Ethereum roadmap changes, and U.S. regulatory timing in focus. Strategy disclosed share sales, BTC disposals, and a larger dollar reserve, while BitMine and Sharplink updated major ETH accumulation plans. Bitget published a compensation plan tied to abnormal price moves in TUT, LOBSTER, and BICO perpetual contracts, and the U.S. Securities and Exchange Commission said it will review a proposed customized issuance framework for certain crypto-related investment contracts on Aug. 14. Elsewhere, Vitalik Buterin’s latest Ethereum roadmap comparison elevated quantum resistance, privacy, and AI-assisted verification, large wallets continued moving BTC and ETH, and several AI infrastructure financings pointed to growing use of debt markets to fund chip purchases and compute buildouts.

Arthur Hayes said the Japanese yen has become the key variable in his current macro framework, arguing that the long-running period in which yen weakness made it a preferred funding currency for global companies and speculators may be nearing its end. He outlined three possible paths for a stronger yen: aggressive rate hikes from the Bank of Japan, repatriation flows as Japanese institutions sell overseas assets, and what he sees as the most likely option, intervention via the Federal Reserve’s FIMA repo facility. Under that setup, Japan’s Ministry of Finance would pledge U.S. Treasuries to the Fed, obtain dollars, then sell those dollars to buy yen. Hayes said the first two options face heavy resistance because they could pressure Japanese government bonds, force yen carry trade unwinds, and weigh on U.S. financial markets. By contrast, he argues the FIMA route would effectively create additional dollar liquidity and expand the Fed’s balance sheet. On that basis, Hayes said he remains bullish on Bitcoin, physical gold, and gold miners. Within crypto, he identified ETH as a large-cap opportunity and said ENA could rise 5x in the coming months if stronger dollar liquidity helps push Bitcoin higher and draws capital back into USDe through improved basis yields.

Arthur Hayes said on X that his upcoming essay, "Yen-quake," will examine what he described as a plan by "Buffalo Bill Bessent" to influence the U.S. dollar-Japanese yen exchange rate and restart the monetary printing press. Hayes argued that the yen’s long decline over the past decade helped push global asset markets higher, but said that phase will eventually end. He outlined three ways the yen could strengthen. The first is a sharp Bank of Japan rate hike that would at least erase the short-end rate gap between the dollar and yen. The second is for the government to persuade domestic institutions and public bodies such as GPIF to change their investment mandates, sell overseas assets, and buy local assets. The third, which Hayes called the preferred route, would see Japan’s Ministry of Finance hand its U.S. Treasury holdings to the Federal Reserve through repo transactions in exchange for dollars, then sell those dollars and buy yen in the foreign-exchange market. Hayes also pointed to what he called a joint intervention by U.S. and Japanese monetary officials two weeks ago, and cited comments from U.S. Treasury Secretary Buffalo Bill Bessent on raising FIMA repo counterparty limits. He added that if dollar liquidity rises sharply, Bitcoin and the broader crypto market will move higher.