The Bank of Japan left interest rates unchanged at 1%, keeping borrowing costs at their highest level since 1995. Even without a fresh increase, the central bank’s tone was seen as hawkish, signaling that further tightening could still be ahead.

That stance is drawing attention far beyond Japan’s bond market. Investors often watch the BOJ closely because shifts in Japanese policy can affect global liquidity, risk appetite and the yen carry trade, where cheap yen funding has historically supported purchases of higher-risk assets.

Crypto traders are especially alert to that dynamic. A more aggressive path for Japanese rates can strengthen the yen and pressure carry trades, which in turn may lead investors to reduce exposure to volatile markets such as Bitcoin and other digital assets. That helps explain why a steady-rate decision still unsettled parts of the crypto market.

The concern is not just the current rate level, but what may come next. With the BOJ leaving the door open to more hikes, traders are weighing whether tighter Japanese monetary policy could add another source of volatility for crypto alongside broader moves in global markets.