Category Archives: Bitcoin
Breaking the Ledger Security Model

In this post, I’m going to discuss a vulnerability I discovered in Ledger hardware wallets. The vulnerability arose due to Ledger’s use of a custom architecture to work around many…

NSA Worked to “Track Down” Bitcoin Users, Snowden Documents reveal

INTERNET PARANOIACS DRAWN to bitcoin have long indulged fantasies of American spies subverting the booming, controversial digital currency. Increasingly popular among get-rich-quick speculators, bitcoin started out as a high-minded project to make financial…