Bitcoin (BTC):
Created in 2009 by Satoshi Nakamoto
Purpose: Peer-to-peer digital cash
Limited supply: 21 million coins
Consensus mechanism: Proof of Work (PoW)
Often called "digital gold" due to its store-of-value nature
Bitcoin is primarily used as a decentralized alternative to traditional currencies. It focuses on secure, immutable transactions and is often viewed as an investment asset or inflation hedge.
Launched in 2015 by Vitalik Buterin and others
Purpose: A platform for decentralized applications and smart contracts
No fixed supply; ETH is used as "fuel" to run apps
Supports NFTs, DeFi, and DAOs
Transitioned to Proof of Stake (PoS) for better energy efficiency
While Bitcoin is more limited in functionality (by design), Ethereum offers a flexible, programmable environment that supports a wide variety of blockchain-based applications.
Both play vital roles in the crypto ecosystem: Bitcoin as a resilient store of value, and Ethereum as a foundation for innovation.