Main Points: 1. Bridging TradFi and DeFi Traditional investors have long relied on diversified indexes like the S&P 500 to gain broad market exposure. In the crypto sphere, however, the need for a similarly simple, regulated, and yield-enhanced product has gone unfulfilled—until now. On April 24, 2025, the RWA tokenization platform Securitize and Layer-2 protocol Mantle jointly launched the Mantle Index Four (MI4) Fund, billed as “the de facto S&P