Vanguard used Blockchain to sync market index data with its total stock market index fund data to create automated update process. Vanguard Is Now Using Blockchain Technology To Help Manage $1.3 Trillion In Index Funds #blockchain #Vanguard https://www.forbes.com/sites/jeffkauflin/2019/05/30/vanguard-is-now-using-blockchain-technology-to-help-manage-13-trillion-in-index-funds/