Ed25519
Also known as: Curve25519 Signature, Fast Crypto Signature, EdDSA Signature
A high-performance digital signature algorithm used in blockchain for secure, compact, and fast signatures.
Ed25519 is a modern public-key signature scheme based on the elliptic curve Curve25519. It’s designed for high-speed signature generation, compact key sizes, and strong security. Ed25519 is used in blockchain protocols like Solana, Polkadot, and some ZK systems. Compared to ECDSA, Ed25519 offers faster operations and is more resistant to certain side-channel attacks. It's often preferred in systems that require fast verification, such as high-throughput chains or rollups. Its deterministic signing process also improves security by avoiding key reuse vulnerabilities.