http://invest2gq5ee654krtlejqxc3d4ii2ij6uhmmg4brcmke3vatvmlwmad.onion/cryptocurrency-forum/index21.html
As an early example, in April 2014, the OpenSSL vulnerabilities attacked by the Heartbleed bug and reported by Google security's, Neel Mehta, drove Bitcoin prices down by 10% in a month. At its most basic, a blockchain is a list of transactions that anyone can view and verify. The Bitcoin blockchain, for example, is a record of every time someone sends or receives bitcoin.