Surging bitcoin gets tarnished -- down 19% in one day

Volatile cryptocurrency has lost almost a third of its value recently, despite increasing acceptance

• Jun 15, 2017

Why bitcoin prices are rising -- way more than a bit

The cryptocurrency's value has more than doubled lately, but remember: It has also crashed three times in recent years

• May 24, 2017

Adylkuzz hack, called larger than WannaCry, hits computers

Hundreds of thousands of computers around the world have been impacted by another malware attack that uses tools developed by the NSA

• May 17, 2017

Winklevoss twins lose a bid to broaden bitcoin

The SEC rejected their proposed exchange-traded fund that would open the digital currency to more individual investors

• Mar 10, 2017

Bitcoin tops $1,000 amid growing acceptance of cyber currency

After hacking setback in 2013, its appeal rebounds as way to avoid currency crackdowns in China and India

• Jan 2, 2017

​Florida judge: Bitcoin not same as money in criminal case

Judge in money laundering case ruled bitcoin wasn't like cash because it is not backed by a government or a bank

• Jul 25, 2016

Inside the tech that could "change the face of modern finance"

When it comes to digital currency, bitcoin has grabbed most of the headlines, but have we been missing the real story?

• May 9, 2016

Self-proclaimed bitcoin founder backtracking

Australian entrepreneur came forward as the creator of the digital currency, but now says he doesn't "have the courage" to publish additional proof

• May 5, 2016

Who created bitcoin? Long mystery still not solved

Who is Satoshi Nakamoto? For many, the bitcoin creator's identity has been a long-running parlor game, and speculation is not over

• May 3, 2016

Has Bitcoin inventor revealed his true identity?

Australian computer scientist, inventor and academic comes forward to stem "misinformation" about digital currency

• May 2, 2016

Ransomware could infect computer without even clicking

Hackers develop an even more insidious way of seizing control of computers for ransom

• Apr 11, 2016

Hospital explains decision to pay ransom to hackers

One security expert says many ransomware victims pay up, but few go public

• Feb 18, 2016

2016 could be a banner year for bitcoin

After more than doubling in 2015, the digital currency is poised to keep climbing, according to its boosters

• Dec 24, 2015

Hunt for Bitcoin founder focuses on Australia man

Investigative reports suggest a 44-year-old Australian entrepreneur may be the founder of the cryptocurrency

• Dec 10, 2015

Profits jump at major companies

Delta, Halliburton and Johnson & Johnson all reported strong earnings growth Tuesday, plus more news from Moneywatch

• Jan 21, 2014
• 01:18

Feds' "Silk Road" scandal "more complicated than any spy thriller"

DEA agent and Secret Service member may have been "doubly undercover," one accused of stealing $800,000 worth of Bitcoin

• Mar 31, 2015

Feds charged with fraud during "Silk Road" inquiry

DEA and Secret Service agents allegedly stole digital currency while they were supposed to be investigating illegal online marketplace for drugs, weapons

• Mar 30, 2015

Report: Nearly 5 million Bitcoin users by 2019

Use of alternative currency dominated by exchange trading, a trend that will continue, research finds

• Mar 17, 2015