Attacks that unmask anonymous blockchain transactions can be used against everyone who ever relied on the defective technique
by Cory Doctorow from on (#3K8BW)
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. (more")