The blockchain are used in cryptocurrency exchanges but it could also be used to improve security solutions.
Originally designed to facilitate the exchange of virtual currency such as Bitcoin, the blockchain is an electronic ledger system which is decentralized by nature.
The blockchain is "no silver bullet" for security, but the technology holds promise as a way not only to record financial transactions but also as a means to control network communication, as well as Internet of Things (IoT) devices and supply chain
