How does a public key ensure the authenticity of cryptocurrency transactions?

3 answers

• Malek AbdallaJun 18, 2021 · 4 years ago
  Sure! When it comes to cryptocurrency transactions, a public key plays a crucial role in ensuring authenticity. Essentially, a public key is a randomly generated string of characters that serves as an address for receiving funds. It is derived from a private key, which is securely stored by the owner. When someone wants to send cryptocurrency to another person, they use the recipient's public key to create a digital signature. This signature is unique to the transaction and can only be generated using the sender's private key. By verifying the digital signature with the sender's public key, anyone can confirm that the transaction was indeed initiated by the rightful owner. This process prevents fraud and ensures that only the owner can access and transfer their digital assets.
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• Bryant TsaiJan 16, 2025 · 7 months ago
  Yo! So, here's the deal with public keys and cryptocurrency transactions. A public key is like your digital wallet address, where you receive your crypto funds. It's created from your private key, which you gotta keep super safe. When you wanna send some crypto to someone else, you use their public key to create a digital signature. This signature is like a unique stamp that shows you're the real deal. Only you can create this signature using your private key. So, when the recipient gets the transaction, they can verify the signature with your public key. If it matches, they know it's legit and that you're the rightful owner. This way, public keys ensure that only the real owners can access and transfer their digital assets, keeping things secure and fraud-free!
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• 20EUEE025 HARIKRISHNAN.ROct 15, 2022 · 3 years ago
  Ah, the beauty of public keys in ensuring the authenticity of cryptocurrency transactions! You see, a public key is derived from a private key, which is kept secret by the owner. When a transaction is initiated, the sender creates a digital signature using their private key. This signature is unique to the transaction and can only be verified using the sender's public key. By verifying the signature, anyone can confirm that the transaction was indeed authorized by the rightful owner. It's like a digital fingerprint that ensures the authenticity of the transaction. So, whether you're sending or receiving cryptocurrency, the use of public keys guarantees that only the rightful owner can access and transfer their digital assets, keeping everything secure and fraud-resistant.
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