The proof-of-work concept allows network nodes to reach consensus on which version of the blockchain should be considered correct.
Joseph Lin aka Neocortex
Neocortex is the lead programmer of Bytecoin`s <a href="https://bytecoin.org/teto-team/" rel="nofollow" target="_blank">Teto-Team</a>. He is keen on playing fortepiano, his favourite composer is Johann Bach. He's currently mastering the most complex musical instrument, the organ.