Euroclear is a Belgium-based financial services company that specialises in the clearing and settlement of securities transactions, as well as the safekeeping and asset servicing of these securities. It was founded in 1968 as part of J.P. Morgan & Co. to settle trades on the then developing eurobond market. It is one of two European international central securities depositories (Clearstream being the other). History. Early development.
https://en.wikipedia.org/wiki/Euroclear