My guest today is Joe Yu, is the Tech Coordinator for Sperax. Sperax is a blockchain infrastructure platform focused on enabling decentralized financial services. Joe helped Prof. Wang design the Sperax consensus protocol as his chief research assistant. He was also the co-author and presenter of Sperax's IEE paper — "Sperax: An Approach to Defeat Long Range Attack." We dive deep into the Consensus Models and their benefits and their drawbacks, how blockchains enable trust and why that's important, and much more. ––– Permission Permission.io enables people to earn rewards for doing the same things online they do every day by empowering them to take back ownership of their personal data from Silicon Valley startups. People can now decide which brands and online retailers can target them with ads, and use the rewards earned for viewing them to pay for goods and services available online. Go to www.permission.io/charlie for a sign up bonus. ––– TOKENIZED STOCKS from BITTREX GLOBAL Bittrex Global is offering all of the Charlie’s listeners the ability to now buy tokenized stocks from Tesla, Apple, Amazon and more. Please visit https://global.bittrex.com/discover/tokenized-stocks to get fractional shares of your favorite stocks now from almost anywhere in the world. ––– This podcast is powered by BlockWorks Group. For exclusive content and events that provide insights into the crypto and blockchain space, visit them at https://blockworksgroup.io