I never would've guessed the bitcoin technology could be used in fish checking process, but that's kinda funny and cool. We should start reducing the level of harm we do and think more about the ethic side of everything we do. Bitcoin and other cryptocurrencies, btw, are an amazing idea and I do think it should be a part of economical system. So far, many trading companies work with it and it's great. I used to learn with this company https://www.trustpilot.com/review/instaforex.com (Trustpilot cause I don't want to advertise), they're also engaged in many cool projects.