Of course, you can be a miner -a person who supports the system and gets paid for it. you can be an investor. you can just work on the crypto exchange the exchange gives you the opportunity to earn huge money only in 2017 the cost of bitcoin increased by 1900%. this gives you the opportunity to become financially independent what is most interesting is that the state and corporations are already creating systems of the blockchain. the blockchain systems is quite simple.it is already applicable in the world. in order to understand this, we must accept it, we must make a choice.