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Digital signatures are cryptographic proofs that verify the authenticity and integrity of data — confirming who signed a message or transaction and that it hasn't been altered since. In blockchain, they are the foundation of transaction authorization and wallet security, relying on algorithms such as ECDSA today, with post-quantum schemes like CRYSTALS-Dilithium emerging as the next generation to withstand quantum computing threats.
On this page you'll find articles on ECDSA and Dilithium, wallet signing architectures, MPC and multisig approaches to key management, and how blockchain infrastructure is preparing for a post-quantum future.
Compare ECDSA and CRYSTALS-Dilithium, understand why post-quantum digital signatures matter, and learn how blockchain infrastructure will evolve in the quantum computing era.
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