1. Bitcoin was created primarily as a digital currency, while Ethereum was designed as a platform for decentralized applications.
2. The programming language used to write Ethereum smart contracts is called Bitcoin Script.
3. Both Bitcoin and Ethereum use proof-of-work (PoW) as their consensus mechanism.
4. The block time for Bitcoin is roughly 10 minutes, whereas Ethereum's block time is around 15 seconds.
5. Bitcoin's primary use case is as a 'store of value' or 'digital gold,' while Ethereum is often referred to as a 'world computer.'
6. Bitcoin has a fixed supply cap of 21 million coins, whereas Ethereum does not have a fixed supply limit.
7. Smart contracts are a core feature of Bitcoin, enabling complex decentralized applications.
8. The creator of Bitcoin is known as Vitalik Buterin.
9. Ethereum allows for the creation of decentralized applications (DApps) and token standards like ERC-20.
10. Bitcoin and Ethereum are both programmable blockchains with similar levels of complexity.