The Bitcoin infrastructure isn't perfect - for example, it has a cryptographic problem known euphemistically as "transaction malleability."
But can this alone explain missing Bitcoins to the tune of $500,000,000?
With three other Silk Road copycat sites having run off with users' funds since the original Silk Road was shut down, the dark web is turning into a glum place to shop for drugs, firearms and forged IDs.
New Jersey has slapped a million-dollar fine on an on-line gaming company that sneakily used its own anti-cheating software to mine Bitcoins on its customers' computers.
The company is paying under protest, claiming a "deep misunderstanding of the nature of our business."
Turn bad news into good with "what you can do better" advice from Chet and Duck.
Learn from: an XP zero-day, a spate of Bitcoin "bank robberies," the outcome of a European user security survey, and yet another cryptographic blunder, this time from Drupal.
Paul Ducklin looks why hackers are more than merely interested in online Bitcoin repositories - and why you need more than just a hunch about a repository's trustworthiness before you hand over your Bitcoin data.
Bicointalk.org was hacked on Wednesday, just hours after the FBI shut down online marketplace Silk Road. The site's administrator, who admitted that the attack was "worse than I thought", is offering 50 Bitcoins (around $6,500) to the first person to explain in detail how the attack occurred.
How does a bug in Android put your Bitcoins at risk? Why did the City of London bin its bins? What was Unpatch Wednesday? What to do with a 3D printer after you've made your own gun?
Find out in 60 seconds!
News, opinion, advice and research!
Chet and Duck bring you their unique and entertaining combination of all four in their regular quarter-hour podcast.
Bitcoin is in the news again.
Seems that a random number problem on the Android platform is letting crooks get away with cryptographic fraud to make off with other people's BTCs...
This week US authorities shut down Liberty Reserve, an online currency favored by cybercriminals. Will enforcement actions have any real impact on the underground economy?
One problem with network games: how do you trust the other people in the contest?
You could build a network that requires your customers to installed a special "cheat-blocker" client...
...and then use the client to mine Bitcoins.
We've written before about Bitcoin problems caused by the exchanges that let you trade real money into and out of bitcoins.
This time, it wasn't the surrounding ecosystem that turned out to have feet of clay, but the software behind Bitcoin itself...
Duck joins Chet to take on the latest security news.
As usual, they don't mince their words, so take a listen and enjoy a quarter-hour mix of news, opinion, advice and research..
Bitfloor, the fourth-largest Bitcoin-to-US$ exchange, recently imploded following a security breach.
The cause of the breach was a temporary security lapse during a system upgrade.
Four Bitcoin users are suing the coin exchange for $460,000 USD, accusing the now frozen Bitcoin trading platform Bitcoinica for breach of contract and negligence.