What is REV? Simply put, If TVL tells you what sits in the vault, REV tells you how often the vault door is opened and why. In this article, we will be giving you an overview of what REV is and its utility as a metric for blockchain activity. REV is the sum of all in-protocol transaction fees and out-of-protocol tips users pay to have their transactions included on a blockchain. It’s a direct measure of the economic demand for interactions with a network, effectively measuring economic activi...