#BTCvsETH BTC vs ETH in 100 Words
Bitcoin (BTC) and Ethereum (ETH) are the top two cryptocurrencies. *Key Differences*:
- *Purpose*: BTC is like "digital gold", a store of value. ETH is a platform for smart contracts, DeFi, and dApps.
- *Consensus Mechanism*: BTC uses Proof-of-Work (PoW); ETH uses Proof-of-Stake (PoS).
- *Supply*: BTC has a fixed supply of 21 million. ETH has no fixed cap.
- *Transaction Speed*: ETH (~12-14 seconds block time) is faster than BTC (~10 minutes).
Both are leading cryptocurrencies with unique strengths. BTC focuses on value storage; ETH on programmability and innovation.