Grayscale, Bitwise Confident a Spot Bitcoin ETF Will Be Approved Soon

“I think the perception is that Day 1, a bitcoin ETF launches and Day 2 it has $30 billion in assets, and that’s just not the way ETF works,” Hougan said. “GLD is the fastest-growing ETF of all time, it hit $1 billion in three days, then hit $3 billion after a year, andafter five years, it hit $30 billion.