source:[1] Vanguard Opens Its $11T Platform To Bitcoin And Crypto ETFs (https://bitcoinmagazine.com/news/vanguard-ope ...)[2] Vanguard Opens the Door to Crypto ETFs, Unlocking Access for 50 ... (https://www.cryptoninjas.net/news/vanguard-op ...)[3] Vanguard Raises White Flag Over Crypto ETFs - The Daily Upside (https://www.thedailyupside.com/etf/thematics- ...)