The proof is in a couple of places, although I will point out that all conventional electronic signature services suffer from similar issues. First, yes, it's

The proof is in a couple of places, although I will point out that all conventional electronic signature services suffer from similar issues. First, yes, it's on our servers. But crucially, all parties also receive a copy of the fully executed contract via email once it's signed. So even if Magistrate were to someday disappear, the timestamped email in your inbox serves as evidence of the contract -- assuming your email provider doesn't go out of business as well. There may be other ways of dealing with the "are you in business in 5 years" problem that we plan to explore as well.