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A comment on Amazon won't sell you a Chromecast, but they will sell a counterfeit. Parent comment

Re:Amazon won't sell you a Chromecast, but they will sell a ... by kalleboo on Sunday March 04, 2018 @07:20AM (#16514452)
Sure, but that's just regular old cryptographic signatures + a web of trust. A blockchain doesn't help at all to prove who someone is.
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