You can put it in your CV and they would know that you are an expert when it comes to bitcoin blockchain and many other bitcoin related stuff, think of these two certifications like those Cisco professional certifications, you can only get them if you're really good and you passed their exams. This kind of certification is a good addition if you are a programmer or you work in IT related field but mostly programming since it's about blockchain mostly, many companies that are working in crypto space is looking for people that have the prowess and most of them pay well above the normal programmer pay grade and this certification helps you get on top of their list if not their attention.