Rio Network boosts ETH Total Return by offering managed access to restaking rewards with integrated risk management. Teaming up closely with EigenLayer, Rio functions as a strategic pool to optimize returns while factoring in risk levels. Noteworthy funds like Polychain Capital, Blockchain Capital, Coinbase Ventures, HashKey Capital, and others have invested in Rio, although the exact investment amount remains undisclosed. The public testnet announcement suggests potential rewards for early adopters.