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 designed for low energy consumption and inflation control through its proof-of-stake mechanism, while Bitcoin is the pioneering cryptocurrency known for its high security and extensive user base. Bitcoin's proof-of-work model offers robust security but at a higher energy cost, contrasting with Peercoin's efficient approach.