Definition ∞ Elliptic curve signatures are a type of digital signature generated using elliptic curve cryptography (ECC), which provides a secure and efficient way to verify the authenticity of digital messages or transactions. These signatures are fundamental to securing many cryptocurrencies, including Bitcoin and Ethereum. They allow users to prove ownership of digital assets without revealing their private keys. The mathematical properties of elliptic curves enable strong security with relatively smaller key sizes compared to other cryptographic methods.
Context ∞ Elliptic curve signatures are a foundational cryptographic component for most modern digital assets, ensuring the integrity and non-repudiation of transactions. Ongoing research and development focus on optimizing these signature schemes for better performance and enhanced privacy, such as with Schnorr signatures. News reports often refer to the cryptographic underpinnings of blockchain security, where elliptic curve signatures play a central role in protecting digital asset transfers.
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