According to Foresight News, yield aggregator protocol Yearn has announced the official launch of its index token yETH, which is based on liquidity staked derivative tokens (LST). The yETH index components include sfrxETH (25.89%), swETH (25.31%), wstETH (26.97%), ETHx (11.53%), and cbETH (10.30%). Users can deposit any combination of the five LSTs to receive yETH and gain exposure to multiple LSTs.