The decentralized contact tracing Picardo is supporting isn’t all it’s cracked up to be. Flaws are highlighted in this article. AND there is still no proof once installed that the Gov won’t find additional ways to use it.
“[D]ecentralized systems are all very nice in theory but are a complete pain in practice, as they’re too hard to update,” he said. “Relying on cryptography tends to make things even more complex, fragile, and hard to change. In the pandemic, the public health folks may have to tweak all sorts of parameters weekly, or even daily. You can’t do that with apps on 169 different types of phone and with peer-to-peer communications,” Prof. Ross Anderson.
Anderson has a number of reservations about contact tracing apps, including the National Health Service’s (NHS) poor record with data protection.
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