The blockchain is a distributed public ledger of cryptocurrency transactions.
Dorsey was speaking at an event for his company Square in London's British Library.
The order applies to any American citizen or individuals living in the U.S.
The price of bitcoin plunged by $700 in a matter of hours.
Bitcoiin brand ambassador Steven Seagal was granted Russian citizenship by Putin in 2016.
The price of bitcoin tumbled to under $10,000, half of what it was worth only three months ago.
Move over Nigerian email scam, fraudsters have a new sneaky trick.
Most crypto is immune to manipulation thanks to the powers of blockchain.
Priscilla Moriuchi, a former U.S. National Security Agency officer, reveals how Kim Jong Un funds his nuclear and missiles program despite sanctions.
More than a dozen companies involved with cryptocurrencies are under investigation.
Bank of England chief Mark Carney says crypto needs regulation—here's why.
Its founders want create an online nation for people who follow plant-based diets.
The Microsoft founder once said bitcoin was "better than currency."
The debate still rages about the real Satoshi Nakamoto.
Hackers are taking over the processing power of people's phones in order to mine cryptocurrency.
Thousands of websites were compromised to secretly hijack the computers and smartphones of any visitors.
Money, weed and bitcoin are luring millennial investors—historically distrustful of the stock market—to Wall Street.
The cheap coin has surged into the top 15 cryptocurrencies in the world by market cap.
Venture capitalist believes bitcoin's days may be numbered, but the blockchain will live on.
U.S. derivatives watchdog file charges against three separate cryptocurrency operators.
The YouTube personality CryptoNick has been labeled a shill for promoting the cryptocurrency "Ponzi scheme" Bitconnect.
North Korea has a history of producing and exporting meth.