If your goal is to understand how wallet products will evolve in relation to DeFi, all you have to do is read books on the evolution of securities markets

Hint: Read about market microstructures and their pricing mechanisms

Of course! Linking some below:
- Dark Pools: The Rise of the Machine Traders and the Rigging of the U.S. Stock Market
- Flash Boys
- Trading and Exchanges Market Microstructure for Practitioners
- The House of Morgan: An American Banking Dynasty
- A History of Money and Banking in the United States: The Colonial Era to World War II