A fund that holds bitcoin and trades like a stock in a regular brokerage or retirement account. The SEC approved US spot Bitcoin ETFs in January 2024.
Go deeperAn ETF is easy, but you own shares of a fund, not bitcoin. You can't send it, hold the keys, or use it outside the brokerage, and you pay an annual fee. Many Bitcoiners see ETFs as an on-ramp, and self-custody as the real thing.