Grayscale Bitcoin Trust Gets a Bullish Bump After BlackRock ETF Filing Grayscale Bitcoin Trust (GBTC) jumped more than 12% on Friday in reaction to BlackRock filing its Bitcoin ETF application. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ June 19, 2023 8:06 pm