Bitcoin held below $78,000 as spot ETFs shed over $1 billion for a second straight week and U.S.-Iran deal speculation rattled markets.

U.S.-listed spot bitcoin exchange-traded funds have seen more than $2.26 billion in outflows over the past two weeks.

BlackRock's IBIT now holds $61.1 billion in net assets against $64.8 billion in cumulative inflows, a difference of roughly $3.7 billion.