Bitcoin broke above $80,000 on Monday for the first time since May, climbing 4.7% intraday to a high of $81,220 as investors in the United States and abroad treated the US Treasury's aggressive bond-buying programme as a signal to rotate into hard assets. The move came a day after Treasury Secretary Scott Bessent tightened sanctions against Iran, threatening to cut off any country or company that continues doing business with Tehran from the dollar-based financial system.

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Bond Buybacks Spark the "Debasement Trade"

The debasement trade is a strategy in which investors rotate from government bonds and fiat currency into hard assets, such as gold and Bitcoin, when fiscal or monetary policy appears to threaten the long-run purchasing power of a currency.

Bessent announced on August 19 that the Treasury would double its buyback operations for long-dated government bonds, from $2 billion to a minimum of $4 billion per operation, targeting debt in the 10-year to 30-year range. The stated goal is to push long-term borrowing costs lower, a move modelled on the Federal Reserve's "Operation Twist" programmes of the 1960s and 2011, in which the Fed sold short-dated securities and bought long-dated ones to flatten the yield curve. The initial announcement briefly pushed bond prices higher, but yields snapped back within 24 hours. Bessent escalated in response: by August 20 and 21 he had signalled the programme could go further, saying it "could be more than $4 billion per issue" and vowing even larger buybacks, indicating the Treasury was already reacting to the programme's limited initial impact.

Markets did not respond in the way the Treasury intended. As of Monday, the 10-year Treasury yield stood at 4.704%, the 30-year at 5.273%, and the 2-year at 4.246%, all higher than the prior week and offering a clear picture of a yield curve that has resisted compression at the long end. The US Dollar Index, which tracks the dollar against a basket of major currencies, hovered around 98.5 to 98.8 on Monday, near three-month lows. Crypto markets read the intervention differently: if the Treasury is willing to buy its own debt at scale to cap yields, it raises genuine questions about the long-run purchasing power of the dollar. Bitcoin's August rally began on the exact day of the buyback announcement, and Bitcoin is now up 28% for the month, its best monthly performance since November 2024. Gold has also risen alongside Bitcoin this month, with both assets reflecting the same investor concern about long-run dollar purchasing power.

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Sanctions Escalation Adds a Geopolitical Layer

On Sunday, Bessent framed expanded Iran sanctions in stark terms, calling the effort an "Economic D-Day" and warning foreign governments and companies to sever business ties with Tehran or risk exclusion from dollar-denominated trade and finance. The announcement followed months of US and Israeli military operations against Iran that began in late February, which have already reduced tanker traffic through the Strait of Hormuz by roughly 90%.

Iran's Secretary of the Supreme National Security Council, Mohsen Rezaei, responded by threatening to further restrict access to the Strait if neighbouring countries help the US weaken Tehran's economy. That waterway carries approximately 25% of the world's seaborne crude oil and 19% of global LNG shipments. The threat is not abstract: China's crude oil imports fell 32% in the second quarter of 2026, hitting their lowest level since 2016. Approximately 84% of crude transiting the Strait flows to Asian markets, with China, India, Japan, and South Korea together accounting for roughly 69% of those flows, making any further disruption especially consequential for the region. Notably, oil prices fell on August 24 despite the sanctions announcement, a counterintuitive response that reflects how much geopolitical risk markets had already priced in before the formal escalation.

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Over $4 Billion in Bearish Bets Wiped Out

Bitcoin's surge this month has been particularly brutal for traders who positioned against it. More than $4 billion in short positions (bets that the price would fall) were liquidated during Bitcoin's 20%-plus weekly rally in the days preceding Monday's move. A short liquidation occurs when a trader borrowing funds to bet on lower prices is forced to buy back the asset at a loss, which itself adds upward pressure to the price.

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South Asia and Africa Feel the Pressure Most Directly

For markets outside the United States, the intersection of dollar weakness, energy disruption, and Bitcoin's rally is not an abstract macro story. India ranks first globally in crypto adoption according to TRM Labs, and both India and Pakistan depend heavily on crude oil that transits the Strait of Hormuz. Energy cost spikes driven by any further Hormuz closure would add pressure on the Indian rupee and Pakistani rupee exchange rates, and research from Chainalysis suggests that this kind of currency stress accelerates peer-to-peer stablecoin use as people seek dollar-denominated savings outside the banking system.

In Sub-Saharan Africa, the dynamic is already in motion. Nigeria has seen an estimated $59 billion in crypto inflows, with stablecoins used heavily for remittances and savings. Regional crypto activity grew 52% year on year, with stablecoin volumes up 180%, according to Chainalysis and TRM Labs. When the dollar strengthens even modestly, demand for dollar-pegged stablecoins on peer-to-peer platforms tends to rise across Nigeria, Ghana, Kenya, and Ethiopia, as local currency holders try to lock in dollar exposure before further domestic devaluation. South Africa has already moved to restrict foreign stablecoins as payment tools, citing dollarisation concerns.

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What to Watch Next

The immediate test for Bessent's programme is whether the Treasury can actually suppress long-end yields in a sustained way. So far, the bond market has resisted. If yields remain elevated or climb further, the debasement narrative will strengthen and Bitcoin's case as a fiscal hedge gains more credibility with mainstream investors. On the geopolitical side, analysts widely expect that any movement toward a Hormuz blockade, even a partial one, would send oil prices sharply higher and accelerate currency depreciation across oil-importing emerging markets, the same economies where on-chain dollar access tools are already growing fastest. A further layer of risk sits at the compliance level: tighter sanctions may intensify Iran-linked blockchain activity, and exchanges serving users in neighbouring regions, including the UAE, Turkey, and Pakistan, could face heightened regulatory scrutiny as a result.