A lot of people think Blockchain is complicated, but the concept is actually extremely simple:
You make a copy of a database on everyone’s computers.
So instead of one single company like Google having and controlling a database, blockchain copies the database to everyone’s computers.
Any changes to the database are copied by everyone’s computer on the network as well. Which makes the database universal and trustworthy. No change can be made to the data on the database without that change being accepted and confirmed by the network.
Continue reading: https://medium.com/technology-hits/blockchain-made-simple-40123667166a
You make a copy of a database on everyone’s computers.
So instead of one single company like Google having and controlling a database, blockchain copies the database to everyone’s computers.
Any changes to the database are copied by everyone’s computer on the network as well. Which makes the database universal and trustworthy. No change can be made to the data on the database without that change being accepted and confirmed by the network.
Continue reading: https://medium.com/technology-hits/blockchain-made-simple-40123667166a