Cryptocurrency and Blockchainsoutlines many of the key developments in building a more trustworthy world. It includes a background within the main methods used in creating data infrastructure which use Blockchain methods, and how these will change existing methods of authentication and identity provision. This will include a discussion of a range of application areas including health care, law, finance and government services, and how smart contracts can be used to make transactions more trustworthy.<br <br In discussing cryptocurrency, the book outlines the trust infrastructure within the main cryptocurrency methods and around the usage of electronic tokens to transfer credits.<br <br An important element of the book is to look forward to a world where every transaction is made more trustworthy, and where privacy requirements are respected. <br <br Topics include: cryptocurrency, blockchain, electronic tokens, trustworthy transactions, privacy, authentication and identity provision<br