Cryptocurrency is digital money that uses cryptography for security and runs on a decentralized digital ledger called a blockchain, eliminating the need for central banks or middlemen.

Core Technical Terms

• Blockchain: A shared digital ledger that records transactions across a network of computers.

• Bitcoin (BTC): The first and largest cryptocurrency, created in 2009 with a fixed supply of 21 million coins.

• Ethereum (ETH): A programmable blockchain network that supports smart contracts and decentralized apps.

• Wallet: A digital tool (software or hardware) used to store private keys and manage crypto assets.

• Gas Fee: A payment required to process and confirm transactions on a blockchain network.