Peercoin is an open-source cryptocurrency and blockchain network designed for decentralized payments and energy-efficient consensus. It combines proof-of-stake with proof-of-work and is...
Pros
- Uses proof-of-stake to reduce energy use compared with proof-of-work-only networks
- Long operating history since 2012
- Supports decentralized payments without a central issuer
Cons
- Much lower adoption and liquidity than Bitcoin and Litecoin
- Smaller developer and merchant ecosystem than major cryptocurrencies
- Hybrid consensus design is less familiar to users than pure proof-of-work or proof-of-stake
Free (open-source protocol)