Security • Estimated 55m

secp256k1 Curve Parameters

fundamentals.secp256k1

secp256k1 is Bitcoin's elliptic curve and fixed parameter set for key generation and signatures. Its field, generator point, and group order determine valid key and nonce ranges.

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Curated resources (3)

• secp256k1 README (article) Canonical implementation reference for the curve used by Bitcoin.
• BIP 32: Hierarchical Deterministic Wallets (article) Uses secp256k1 key derivation primitives in wallet key trees.
• BIP 340: Schnorr Signatures (article) Specifies signature behavior over secp256k1.

Direct prerequisites (1)

• Elliptic Curve Cryptography

Direct dependents (2)

• ECDSA
• Schnorr Signatures

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