Two years ago, the world lost Len Sassaman #bitcoin #crypto

"Well, it's hard to decouple cryptography from identity in a crypto-based currency, but, yes, my concerns are real-world identity issues. Bitcoin is less anonymous than physical cash. Compare to Digicash, which was 'more' anonymous. It's useful to speak about these things in more precise terms; using the Pfitzmann terminology, Bitcoin lacks unlinkability as a property. 'Throw Tor or Mixmaster at it' isn't a very satisfying answer, at least not to someone with an understanding of how those systems fail. My fear is people will associate 'bitcoin' and 'anonymous', get seriously burnt by the fact that it's 'not' anonymous, but rather a persistent ledger of all transactions ever, and then dismiss future e-cash that actually 'does' provide anonymity and unlinkability , etc., because they've 'heard that before.' It may be possible to use bitcoin as a building-block in constructin...

Full article: http://themonetaryfuture.blogspot.com/2011/07/len-sassama...

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