Bitcoin news - Spanish Stock Exchange to Go Live With Blockchain Collateral Pledge Certificates http://bitcoin.worldnewsoffice.com/bitcoin-news/spanish-stock-exchange-to-go-live-with-blockchain-collateral-pledge-certificates/ Spain's largest stock exchange expects to go live by the end of 2019 with a blockchain-based system for certifying collateral pledges. Thu, 14 Mar 2019 15:52:02 UTC en