Peercoin (PPCoin or PPC) is a peer-to-peer cryptocurrency utilizing both proof-of-stake and proof-of-work systems. Developed by Sunny King
License: Open Source
Peercoin is a decentralized cryptocurrency focused on energy efficiency and low inflation, making it ideal for long-term holding. In contrast, Google Wallet is a digital payment platform designed for convenience and integration with various services, catering to frequent transactions.