SEC Chairman Gary Gensler highlighted the inconsistency in regulators' approach to Bitcoin and Ethereum futures ETFs compared to Bitcoin spot ETFs at the MIT Bitcoin Expo in 2019. The SEC had been rejecting Bitcoin spot ETF proposals since 2017, often citing concerns about investor protection and market manipulation. This has generated debate and calls for a shift in regulatory stance. 🚫📊 #SECChairman #CryptoETFs