What advantage does Signal protocol have over basic public key encryption?

[Zenaan Harkness]

On Mon, Jan 25, 2021 at 10:43:45AM -0800, David Barrett wrote:
> Incidentally, for anyone following along, here's a great thread I had on
> Twitter regarding this:
> 
> https://twitter.com/dbarrett/status/1353768706141163520


For those of us unwilling to support Satanists, please paste in a copy of that convo.