Zivver is a web application. The javascript that comes with the webpage can change at any time for any reason, as Zivver sees fit.

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tucnak a day ago | parent [-]

I'm simply pointing out that web standards allow for secure end-to-end communication, and more, in fact they happen to allow arbitrary cryptographic constructions—as long as the program itself never changes.

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pareidolia a day ago | parent [-]

But this requires special hardware right?

	▲	tucnak a day ago \| parent [-]
		Not necessarily. You can run TKey in qemu :-) etc. The hardware aspect is what makes it easy to use, with WebUSB and all. The derivation algorithm is key. And it takes program binary as parameter to Blake2 hash function.