Bitcoin slipped 1.1% to $76,919.8, breaking below $77,000 after a failed breakout above $79,000.
Brent crude rose near $110 per barrel amid Strait of Hormuz tensions, stoking inflation fears and dampening risk appetite.
Central banks in focus as BOJ kept rates steady while markets await policy decisions from the Fed, ECB and BoE this week.
Altcoins fell, with Ethereum down 1.6% to $2,285.44, XRP down 1.8% to $1.39, while Dogecoin rose 2%.