The world of cryptocurrency is blooming now!
We speak everyday about Cryptos but still only some know for real how data ( or money ) are stored/verified/calculated.
The BlockChain is the system that that give to birth all the common crypto currency today ( including Bitcoin, etherum, ripple, litecoin) .
The simple idea behind create the bases of our next future, solving problems that before required an incredible amount of efforts !
So here is a complete and simple explaination by Anders Brownworth