What a document fingerprint proves, and what it does not
Anchoring a hash on a chain proves a file has not changed since a moment in time. It says nothing about who agreed to it. The difference matters.
Anchoring a hash on a chain proves a file has not changed since a moment in time. It says nothing about who agreed to it. The difference matters.
One page for the day's blockchain news, read from the outlets that report it, plus the occasional note from the person who runs it.
A game about the speed of light, the universe at true scale, a system that grows to a billion users, a language model you can watch choose, and the file your browser hands to every website.