Cryptocurrency has been in development since the 1980s, but the launch of Bitcoin in 2009 by pseudonymous developer Satoshi Nakamoto was the first bit-currency to catch on outside of academic circles. At its core, cryptocurrency is a decentralised digital currency, which is usually backed by a public ledger (blockchain) to verify transfers, mint new coins and secure individual coin ownership records. For the first few years, Bitcoin enthusiasts mined the currency and tried to get it accepted ...
