Smart contracts are what Ethereum brought to the blockchain platform, enabling developers to make decentralized applications (DApps) and tokens. Bitcoin, however, is mainly a digital cash system.
Ethereum has a scripting language that gives it more functionality, making it a platform for different kinds of blockchain projects. Bitcoin is a simpler system that only does digital cash.
Bitcoin, the first and most famous cryptocurrency, was created in 2008 by an anonymous person or group using the name Nakamoto. It is a digital currency that runs on blockchain.
Bitcoin is just one of the many cryptocurrencies, each with their own features, use cases and technologies. Bitcoin is the oldest and most well-known cryptocurrency.
Different countries have different legal and regulatory frameworks for cryptocurrencies. Some countries have accepted cryptocurrencies.
Cryptocurrency offers alternatives to traditional finance, such as banking, remittances, and investment opportunities. It is a digital currency that works on blockchain. Bitcoin is the most popular and widely used cryptocurrency.