You paid 180 Steem on some votes, but were obviously not just doing this for promotion as you did not decline rewards. Did you not see that buying votes was discouraged by the last hard fork that gave us free downvotes? Well you know now. This is mainly about getting a fair rewards distribution, but I would say the post does not have that much value anyway as it is pretty generic info. That is my humble opinion.
RE: An Introduction to Bitcoin and Crypto Investments