Private and public keys

A private key functions similarly to a password. Don't tell anyone about it. Safeguard it. Individuals own their assets in cryptocurrency, which implies they must take responsibility for them. You've probably heard horror stories of Bitcoin users misplacing their keys. Don't be like that!

A public key functions as an ID for sending and receiving coins or tokens to and from your wallet.

You sign a transaction with your private key when you start it. The proposed transaction is then disseminated to the blockchain node network. What is blockchain node?

It is just the computer that is accountable for contributing to the blockchain's upkeep. Each blockchain is made up of numerous nodes. Their job is to reach an agreement on the legitimacy of a transaction, which is known as a consensus mechanism.

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