SC coin, full name Siacoin, is a cryptocurrency that serves as the base currency of the Sia network and is used to pay for storage space on the global decentralized storage network. Sia is a decentralized cloud storage platform that connects storage providers and users through smart contracts to provide secure, private, and cheap file storage services. The trading and issuance of SC coins follow blockchain technology, which has the characteristics of decentralization, immutability, and anonymity, ensuring the security and privacy of user assets. Investors can buy SC coins on cryptocurrency exchanges and store them in wallets that support the Sia network.