Ans. Bitcoin and Ethereum are two of the most popular cryptocurrency platforms. Both platforms have their native currencies (Bitcoin and Ethereum, respectively), and both offer a mechanism for users to develop and deploy decentralized applications (dapps). While there are many similarities between these two platforms, there are also several key differences.
Bitcoin is a cryptocurrency, while Ethereum is a platform that allows for the creation of decentralized applications. Bitcoin uses a proof-of-work algorithm, while Ethereum uses a proof-of-stake algorithm
Bitcoin was designed primarily as a digital currency or peer-to-peer electronic cash system
Ethereum‌ intended to create a decentralized platform that would enable sophisticated smart contract functionality
Bitcoin is a decentralized currency
Ethereum is a decentralized platform that runs smart contracts
Bitcoin was first to market and currently has the largest market cap
Ethereum is second to Bitcoin in total market cap (but first in total circulating supply)
Bitcoin block time is roughly 10 minutes
Ethereum block time is around 12-14 seconds