In An Empirical Analysis of Traceability in the Monero Blockchain, a group of eminent computer scientists analyze a longstanding privacy defect in the Monero cryptocurrency, and reveal a new, subtle flaw, both of which can be used to potentially reveal the details of transactions and identify their parties.
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In just a few short years, ransomware -- malware that encrypts all the files on the computer and then charges you for a key to restore them -- has gone from a clever literary device for technothrillers to a cottage industry to an epidemic to a public menace. Read the rest
If you are a seller on Alphabay -- a darkweb site that sells "drugs, stolen data and hacking tools," you'll have to use two-factor authentication (based on PGP/GPG) for all your logins. Read the rest