In today's episode we cover the "blockchain trilemma" - Vitalik Buterin's concept of three primary attributes of a blockchain:

• decentralized
• security
• scalability

Any blockchain in development has to make compromises between these three aspects. They simply can't have the best aspects of all three attributes. We discuss each of these and how they relate to some of the most popular blockchains with an eye towards enabling you to evaluate any blockchain's chances of long-term success.