DEMOS comes from ancient Greek, meaning democracy, and also means collective. DEMOS is mainly to provide help for more and more public chains. In the process of helping, they gather public chains.
Sphere (SPHR) is a decentralized peer-to-peerpayment network, secured through a proof of stake (pos) consensus blockchain. (sphere) is designed to act as an efficient and secure means of commerce, while also serving as an appreciating token for traders and long-term holders.