The next crypto crash may not start in crypto at all.
That is the argument <a href="https://x.com/TedPillows/status/2038563268847906975?s=20" rel="noopener noreferrer nofollow">crypto strategist Ted</a> put forward in an interesting post today, pointing to a silent liquidity crisis unfolding in Japan’s bond market as a potential trigger for the next major sell-off in digital assets.
The timing is not hypothetical. Japan’s 30-year government bond yield has climbed to 3.79% as of March 30, up 1.27 points from a year ago. The 40-year yield has risen to 4.03%, up 1.23 points over the same period. The 10-year yield is hovering close to its highest levels since 1999 at around 2.36%, with the yen having breached the critical 160 per dollar level – a threshold that historically triggers intervention pressure on the <a href="https://coinpedia.org/news/boj-holds-interest-rates-at-0-75-how-crypto-will-react/" rel="noopener noreferrer nofollow">Bank of Japan</a>.
These are alarming live readings from the world’s fourth-largest economy actively dismantling decades of near-zero interest rate policy.
<h2 class="wp-block-heading" id="h-how-cheap-yen-became-crypto-s-hidden-fuel">How Cheap Yen Became Crypto’s Hidden Fuel</h2>
The connection runs through what markets call the yen carry trade. For years, investors borrowed cheaply in Japanese yen and deployed those funds into higher-returning assets globally – US equities, emerging market bonds, and increasingly, crypto.
<blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow">
 “Crypto depends heavily on this global flow of easy money,” Ted wrote. “When liquidity tightens, people reduce risk and sell volatile assets like crypto.”
</blockquote>
When Japanese yields rise, borrowing in yen becomes more expensive. The trade reverses. Investors pull capital back, global liquidity tightens, and crypto – as the most volatile and liquid risk asset – is typically sold first. <a href="https://coinpedia.org/news/5-altcoins-with-the-strongest-10x-setup-in-the-current-bear-market/" rel="noopener noreferrer nofollow">Altcoins fall harder</a> than Bitcoin for the same reason.
Also Read: <a href="https://coinpedia.org/news/ethereum-may-lose-its-2-spot-in-2026-can-usdt-xrp-bnb-or-sol-take-it/" rel="noopener noreferrer nofollow">Ethereum May Lose Its #2 Spot in 2026: Can USDT, XRP, BNB, or SOL Take It?</a>
BIS data points to hundreds of billions of dollars in yen-denominated loans to non-banks outside Japan. Morgan Stanley estimated outstanding yen carry positions at roughly <a href="https://www.investing.com/analysis/usdjpy-yen-carry-trade-back-in-focus-as-boj-rate-hike-looms-200671786" rel="noopener noreferrer nofollow">$500 billion</a> as of December 2025.
<h2 class="wp-block-heading" id="h-it-has-already-happened-twice">It Has Already Happened Twice</h2>
In case you’re thinking this is just a theoretical risk, there’s some bad news.
In August 2024, a BOJ rate hike triggered a carry trade unwind that sent Bitcoin and Ethereum down up to 20%. In December 2025, another hike to 0.75% moved Bitcoin from $91,000 to $88,500 within hours of the announcement.
The Bank of Japan is widely expected to raise rates to 1% at its April 28 meeting, which would mark the highest level since the mid-1990s.
<h2 class="wp-block-heading" id="h-the-counter-case">The Counter Case</h2>
Ted also acknowledges the other side. If yields spike hard enough to destabilize markets, the BOJ historically intervenes – buying bonds and injecting liquidity. When that happens, risk assets including crypto tend to recover sharply.
<blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow">
 “More liquidity pushes crypto up, less liquidity pushes it down,” he wrote. “Rising Japanese yields equal tightening liquidity equal short-term pressure on crypto. But if central banks react, it can later become fuel for the next bull run.”
</blockquote>
The April BOJ meeting is now one of the most important macro events on the crypto calendar.

Why Crypto Traders Need to Watch Japan’s Bond Market Right Now

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