The cause of the spam postings wasn't clear, however.
CloudFlare said its challenge shows how dangerous is the OpenSSL bug.
Vircurex had been trying to pay back losses incurred last year
Bitcoin-QT, rebranded as Bitcoin Core, has more than six fixes for the so-called transaction malleability problem
A fake login page looks legitimate since it is served up by Google over SSL, Symantec said
The exchange continued to operate and collect transaction fees despite its troubles
Hackers claim internal records show Mt. Gox has more bitcoins than it claims it lost.
Mismanagement apparently allowed a massive bitcoin heist
Did a spaghetti-like code help bring down the Bitcoin exchange?
A suspicious website tries to get people to download what is likely a bogus version of Flash player.
Using TOR makes it more difficult to trace the command-and-control server
Around 350,000 credit and debit cards were exposed in the incident -- not 1.1 million as first feared.
Fazio Mechanical Services, which specializes in refrigeration, said it maintained a 'data connection' with Target
The legal uncertainty around Bitcoin may be spooking Apple
The agreement with Facebook, Google, Microsoft and others lets them give more information on the government's data requests