Public and private key

A pair of cryptographic keys used to secure and sign blockchain transactions.

What is it? - Dummies

Think of a box with a padlock: the public key is the address to send you things, and the private one is the secret key that opens that box. If you lose your key, you lose access.

What is it? - PRO

They are two linked cryptographic keys: the private key is secret and allows you to sign transactions and prove ownership of assets; the public key it is derived mathematically from the private one and is used as an address for receiving funds. Based on asymmetric cryptography, it is the basis of blockchain security.

Key points

The public key is like your IBAN.

The private key is your signature and must be kept secure.

The digital signature is generated with the private one and is verified with the public one.

Sales and disadvantages

Advantages

Robust security without intermediaries.

It allows transactions without revealing identity.

Basis for decentralized identity and authentication.

Disadvantages

If you lose your private key, you lose access.

Difficult to handle for non-technical users.

Exposure of the private key compromises all your assets.

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