SEC Chairman Gary Gensler, speaking at the MIT Bitcoin Expo in 2019, noted the inconsistency in regulators' attitudes regarding Bitcoin and Ethereum futures ETFs versus Bitcoin spot ETFs. The SEC had rejected Bitcoin spot ETF proposals since 2017 and cited concerns about safeguards. This has led to criticism and calls for a change in approach. 馃毇馃搳 #SECChairman #CryptoETFs