Ethereum HD (Ethereum coin, abbreviated as ETHD) is a new type of cryptocurrency based on Ethereum (abbreviated as ETH). Its main feature is the use of hard drives as participants in the consensus process. By setting up the underlying blockchain architecture and digital resource distribution protocol, it supports third-party developers building their own applications on top of its open-source protocol. Together with numerous industry partners, it forms a complete ecosystem for blockchain technology and applications. It bridges various media application scenarios including text, images, music, videos, software, and more, providing a direct connection platform for content creators and consumers.