BlockBeats News, April 24th, reported by The Block, Securitize has launched a new crypto index fund, with Mantle committing to a $400 million cornerstone investment. The fund is named Mantle Index Four (MI4), offering exposure to major crypto assets and earning additional yield through DeFi staking strategies. The MI4 fund aims to invest in top crypto assets, including BTC, ETH, SOL, and USD stablecoins, with the goal of becoming the "S&P 500 Index of the cryptocurrency world."