 Vanguard now uses Symbiont blockchain technology in production to manage US$1.5 trillion of index funds, for the purpose of eliminating manual reconciliation between Vanguard and the Center for Research in Security Prices (CRSP), who provides Vanguard with market data.This was the first production integration of blockchain technology by a major financial institution into one of their core systems.Vanguard also uses Symbiont technology in a venture aimed at allowing for peer-to-peer trading between asset managers in the foreign exchange market.