Like I said about getting MMEG into a speculative asset, all of the info is open on the internet, such as this about the "block-chain". What is Blockchain Cryptocurrency? Bitcoin is the name of the best-known cryptocurrency, the one for which blockchain technology was invented. Blockchain is, quite simply, a digital, decentralized ledger that keeps a record of all transactions that take place across a peer-to-peer network. Then try to get them sold and recovered!