Presumably it's: https://inktrail.co https://inktrail.co As I understand it, it records when you're writing, including all edits and such, and verifies it's hu

Presumably it's: https://inktrail.co https://inktrail.co As I understand it, it records when you're writing, including all edits and such, and verifies it's human based on that. Well, see the demo at https://inktrail.co/in-action https://inktrail.co/in-action It will probably work well right now, but I don't know how easy that would be to fool once the hucksters build tools to circumvent it.