On February 26, 2016, the first version of an article titled “How blockchain-timestamped protocols could improve the trustworthiness of medical science” was posted to F1000Research. The paper had two authors: Greg Irving of the University of Cambridge and John Holden of Garswood Surgery. The article describes a method for timestamping clinical trials, so the retrospective existence of a trial can be verified at a later date. The technique uses the Bitcoin blockchain as an immutable …