Smart cities are beginning to take shape; the urban buzz term of the last few years has seen an increase of practical applications in the real world. However, much like the internet of things (IoT) in general, its development is somewhat over shadowed by the risk of cyber-security, in terms of data privacy, cyber attacks and theft. Now there is one up and coming software technology that was specifically designed to coordinate lots of things safely and securely: the blockchain, which was first brought to the public’s attention through its use in the Bitcoin Cryptocurrency. Bitcoin is a popular (and controversial) cryptocurrency. It’s form of money that can be transferred securely and anonymously across a widely distributed peer-to-peer network. The Bitcoin blockchain is essentially a ledger of all legitimate transactions that have occurred on the network so far, which is maintained by the collaborative efforts of all the nodes in the network. For Smart Cities, the […]