Fundstrat's Tom Lee is taking his bitcoin price target down to $15,000 from $25,000.
Bitcoin is a cryptocurrency first described in a 2008 paper by pseudonymous developer Satoshi Nakamoto, who called it a peer-to-peer, electronic cash system. (wikipedia) Through 2013 it has seen huge gains punctuated by high volatility.
Amid a plunge in the cryptocurrency markets in the last 24 hours, the market capitalization of the world's biggest cryptocurrency Bitcoin fell below $100 billion for the first time in more than a year.
It should have been an ideal year for digital currencies to prove their value as alternatives to traditional money, with government-backed currencies dragged down by ongoing Brexit concerns and trade tension between the U.S., China and European Union.
Congressmen and cryptocurrency experts are set to meet in Washington this week to talk through what many say is a murky regulatory landscape.
When it comes to the oversight of cryptocurrencies, regulators need to avoid inhibiting innovation, yet be vigilant against manipulation, said U.S. Commodity Futures Trading Commission Chairman J. Christopher Giancarlo.
A top Goldman Sachs executive looked to clear the air Thursday about the bank's cryptocurrency ambitions after reports that it was abandoning plans to open a trading desk for cryptocurrencies.
Bitcoin spiked in value on Wednesday to a two-week high.
Bitcoin will continue to fall, because "there's just no value there," former PayPal CEO Bill Harris told CNBC on Tuesday.
Bitcoin's price is close to its lowest point of the year.
Renaissance Macro Research says if the price of bitcoin breaks its key year-to-date support level the digital currency will be "permanently impaired."
When the FBI seized alleged Silk Road mastermind Ross Ulbricht's 26,000 Bitcoin fortune on Tuesday, it raised the simple question: how can you seize a currency that does not exist?
More than 10 percent of $3.7 billion raised in coin sales known as initial coin offerings has been lost or stolen, accounting giant Ernst & Young says.
Facebook is considering the introduction of a virtual “tip jar”, so users can tip small amounts of money to the pages and people they like most.
Bank of America is trying to steal a march on the latest developments in the technology behind digital currency bitcoin by loading up on blockchain-related patents.
This time last year, bitcoin was cruising to $20,000. Fast forward 12 months, and bitcoin is trading around $3,300 while other cryptocurrencies have reversed course, weighing heavily on investor confidence and the industry.
Bitcoin continued its December downward tumble, falling more than 11 percent against the U.S. dollar in 24 hours.
Jeff Sprecher, chairman of the New York Stock Exchange, says bitcoin and other digital assets are here to stay.