How Blockchain Will Have an Impact on Navigation

摘要

The captain's logbook is a legal document - it is not to be tampered with. Although it is hard to hide, a forger can potentially modify it. The simplest way is to remove a page or two which will not go unnoticed but information will be lost forever. Should there be even one copy of the logbook to prevent inconsistencies, and if the records were always identical, and done at exactly the same time, a forgery would be impossible.