Bitcoin is a decentralized digital currency that can be transferred on the peer-to-peer bitcoin network.
Ethereum is a decentralized platform that enables smart contracts and decentralized applications (DApps) to be built and run without any downtime, fraud, control, or interference.
Cryptocurrency is a digital or virtual currency that uses cryptography for security and operates independently of a central bank.
You can buy cryptocurrency through exchanges like Coinbase, Binance, or Kraken using traditional currency.