Both: Use Bluetooth
Briar: Uses Tor, you don’t reveal your IP address to the people you talk to.
Berty: Uses both IPFS and P2P, so you reveal your IP to anyone you talk to.
Discussion: Berty looks to have a larger developer community and funding, had iOS and Android apps.
Berty, if someone could monitor your traffic they could see who you talk with, even if the messages are encrypted your social graph would be available.
Do you see Berty replacing session (where people don’t trust each other)? Can Berty survive without central servers, or if IPFS does?
I know Briar will always work, no central control at all.
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I should mention session in this discussion, but I think their oxen network is so unique It basically counts as centrally controlled.
Plus session doesn’t have Perfect Forward Secrecy. Not sure of Berty does either.
It’s worth noting on session brute force is less of a concern than usual with a 2^128 value, but your point stands it wasn’t a great decision.
I think the main issue with perfect for secrecy is not brute forcing the code. It’s eventually one of your computers is going to get compromised. And then they’ll have a key to unlock all the messages historically. That’s not great
Well said and even if you delete history daily there’s no way to know for sure it’s being removed from servers at the same interval.