It is so risky in joining in cryptocurrency specially for begginer because it has so many scammers. Investing in crypto currency is very risky and one of the best precaution you can take when investing in crypto currency is to invest what you can afford to lose. Only belive on yourself and dont trust too much on those people who you doesnt know. Always read here before investing. Keep doing a research and always consult experience people here in bitcointalk before you invest. Most questions about cryptocurrency can be found here in bitcointalk.