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But those things can be done without putting sensitive information on the internet. Crypto currency transactions can keep everything sensitive off the network.

But those things can be done without putting sensitive information on the internet. Crypto currency transactions can keep everything sensitive off the network. A one way airgap is indeed all you need (your device should be able to push data to the network but never receive any data from the network). The same scheme works for voting.

kryogen1c 7y ago
> A one way airgap is indeed all you need This is an oxymoron. If something can communicate, even only in 1 direction, its not airgapped. Furthermore, theres no such thing as 1-way communication. Any DB that houses info can only provide it in response to a query.
- packet_nerd 7y ago
  > theres no such thing as 1-way communication It's called a data diode. https://www.opswat.com/blog/why-data-diodes-are-essential-isolated-and-classified-networks https://www.opswat.com/blog/why-data-diodes-are-essential-is... https://en.wikipedia.org/wiki/Unidirectional_network https://en.wikipedia.org/wiki/Unidirectional_network