In a thread with Ethereum's ($ETH) Vitalik Buterin, Elon Musk asked what needs to be developed in Ethereum. Buterin responded with a comprehensive list including micropayment reward schemes for publications, a decentralized replacement for DNS, decentralized entities like MolochDAO, account sign-in identity assurance, registries, and new financial and insurance systems like Hurricane Guard. The conversation comes after Tesla competitor Jaguar unveiled IOTA ($IOTA) rewards for its users.