Dive into a 35-minute conference talk by John Whelan, CEO of Coinist and Director of Innovation at Banco Santander, as he explores the fundamentals of blockchain technology. Gain insights from Whelan's diverse blockchain experience, including his roles as co-chairman of the Enterprise Ethereum Alliance's tech committee and former president at Ripple. Learn about the history of finance, the distinction between public and private blockchains, and the potential impact on banking. Explore various use cases, industry applications, and address common concerns about blockchain speed and efficiency. Discover how blockchain technology is reshaping record-keeping, transaction costs, and its potential to revolutionize various sectors beyond finance.