DigitalCatalog I. Overall view II. Circulation Pool 2.1 Decentralised Finance (DeFi) 2.2 SocialFi 2.3 Mining pool 2.3 Circulation Pool (Personal Defi Pool) 3.1 PoW 3.2 PoS 3.3 POWS 3.4 Social-to-Earn IV. Six degrees of separation principle V. USDG 5.1 Introduction 5.2 Revenue VI. A great social experiment on the orderly and disorderly transformation of life VIII. Team I.Decentralized stable currencies aim to achieve the anti-censorship of cash transactions like bitcoin and the price stability...