So at some foreseeable point miners not longer have an incentive to participate in transaction validation and this crap becomes useless. (acting-man.com)
As part of the reward for mining crypto, you receive the actual coin in exchange for the act of transaction validation. (millionairemob.com)
These companies build proprietary payment platforms using cryptography for security and the block chain for transaction validation. (gettoknowbitcoin.com)