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What Is the Role of the Elliptic Curve Digital Signature Algorithm (ECDSA) in Bitcoin?

ECDSA is the algorithm that uses the private key to create a digital signature, proving transaction authorization.
Greeks.Live02.11.25

What Is the Role of the Elliptic Curve Digital Signature Algorithm (ECDSA) in Bitcoin?

ECDSA is the cryptographic algorithm used in Bitcoin and many other cryptocurrencies to create and verify digital signatures. When a user wants to spend funds, their private key is used with ECDSA to generate a signature for the transaction.

This signature proves that the transaction was authorized by the owner of the private key without revealing the key itself.

What Is the Specific Elliptic Curve Standard Commonly Used in Bitcoin?
How Is a Private Key Used to Sign a Transaction?
What Is the Role of the “Elliptic Curve” in the Security of ECDSA?
How Does Elliptic Curve Digital Signature Algorithm (ECDSA) Protect against Preimage Attacks?

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