Cryptocurrency is digital money. This type of currency uses blockchain technology, which is considered secure because it is capable of establishing distributed consensus even among two or more parties. Cryptocurrency blockchains resemble old-fashioned bookkeepers' ledgers, except that the ledger is electronic, and everyone with access to the ledger can also be the bookkeeper.

Investors worldwide have invested and are starting to invest in cryptocurrency. Bitcoin is likely the best-known digital money, thousands of cryptocurrencies already exist. Cryptocurrency can be considered one of the newest and most exciting asset classes available to investors.