There is a new kid on the currency block. Even as cryptocurrencies have fired the imagination of millions around the world, both as a replacement for regular currency as well as an investment option, awareness about this futuristic option is low and there are a number of misconceptions and myths surrounding it. Cryptocurrencies, whether used as currency, assets or as smart contracts, are based on a digital ledger called the blockchain. The application of blockchain goes well beyond cryptocurrency, and could potentially revolutionise banking, telecom and all kinds of transactions. From Cowry to Crypto explains what blockchain is, how it works, what it has to do with cryptocurrencies, and what it means for companies and governments. It also discusses how this is different from any form of money we have known so far—its advantages as well as the dangers, and the best way to manage it. From cowry shells to advanced cryptography, the history of money is a fascinating one. The future even more so!