Explore a groundbreaking solution to the availability-finality dilemma in blockchain consensus protocols through this 16-minute IEEE conference presentation. Delve into the concept of Ebb-and-Flow Protocols, examining their unique properties and potential to revolutionize blockchain technology. Gain insights into consensus protocols, understand the challenges posed by the availability-finality dilemma, and discover how Ebb-and-Flow Protocols aim to address these issues. Learn about the Gaspar and SnapChat behaviors, analyzing their advantages and disadvantages in the context of blockchain consensus. Enhance your understanding of cutting-edge developments in distributed systems and blockchain technology through this informative talk.