HomeCrypto BriefingSEC Has Received 200 Letters On Grayscale’s Bitcoin ETF SEC Has Received 200 Letters On Grayscale’s Bitcoin ETF February 19, 2022 Crypto Briefing Tweet Related Posts Real Madrid Joins Ethereum-based Collectible Game Sorare Terra at the Crossroads: Major Validators Support Fork but Community Is Resistant SEC gives green light to NYSE and CBOE for spot Bitcoin ETF options trading