The $ADA mentions a proposal by Charles Hoskinson, the founder of Cardano, to use 140 million ADA (approximately 100 million USD) from the foundation's treasury to purchase Bitcoin (BTC) and Cardano's native stablecoins (USDM, USDA, iUSD) to promote the development of the DeFi ecosystem. Below is a brief summary and updated analysis of the proposal, based on the information you provided and the current context: