Show HN: A simple method to prove ownership and authenticity of digital media
github.comAlso known as a commitment scheme. Tweet-a-hash-commitment has been around for some time, but it look like a nice interface around the experience.
Yes, definitely. I think the app interface is really the innovation here. That and the fact that one can make human readable salts. So I can use "kortex@kortex.com" as a salt and now anyone can check just by reading that "kortex" must have made this hash.