The price of bitcoin (BTC) has set a record high, rising above $69,000 on crypto exchange Coinbase, a level first touched on Nov. 10, 2021.A continuing massive wave of buying by the newish U.S.-based spot bitcoin ETFs is the likely catalyst behind what's now a historic run higher. The price of bitcoin sat at around $45,000 at the time the ETFs opened for business on Jan. 11. Following a brief "sell the news" dip to the $39,000 area, bitcoin quickly rallied above $50,000 by mid-February. After me...