Source: Cointelegraph.com NewsGrayscale’s GBTC has just notched its largest day of outflows since its launch, though ETF analysts are optimistic that BTC ETFs are only just starting to gain momentum.Read Morebitcoin etf flows, bitcoin etf outflows, bitcoin etf inflows, bitcoin etf, grayscale flows, grayscale outflows, bitcoin, bitcoin price, btc, crypto etf outflows