[Vitalik: The Crypto Industry Needs to Solve Three Key Issues to Develop Better Decentralized Stablecoins] Vitalik stated in an article that the current crypto industry needs better decentralized stablecoins, and there are still three issues to be addressed: Ideally, a more suitable tracking index than the US dollar price should be found. A decentralized oracle design that cannot be controlled by large amounts of capital. Addressing the issue of staking yield competition.