Basically, blockchain is the platform that created in automation computing process, to eliminate third party influences in any transaction.- Data transaction
- Money transaction
- Vote transaction
and they are quite secure, since blockchain platform do have their audit trail process by the computing process itself, thus makes delivered data most likely always correct.
there are several industries being and planning to implement blockchain, some of them are
- Information data security
- vote system
- forecast system
- healthcare system
In bitcoin as example system, they do have decentralized blockchain, that use so many client resource to do verifying on all the transaction, to make sure all transaction is correct and save.