Risk-free experimenting. It is also possible to mine specific cryptocurrencies so you can trade them. Although popular coins such as bitcoin can be ruled out for most users, currencies such as Monero and Bytecoin are optimized for CPU mining, and pretty much everyone can get a few coins. Finally, it is possible to earn Steem by blogging on the Steemit platform, or to earn Siacoin by sharing your available disk space with users all over the world via the Sia platform. Francisco Memoria. You may like. You must be logged in to post a comment Login. Leave a Reply. You must be logged in to post a comment. Advertising, Big Data and You.