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Learn how Ethereum function selectors help smart contracts identify transaction requests and execute the right functions.

Verify provably fair dice yourself: check the server seed hash, compute HMAC-SHA256, convert the digest to a roll, with a ...

BLAKE3 beats SHA3-256 by up to 12x on throughput benchmarks, but SHA-3 keeps its FIPS 202 edge. Full specs, pricing, and ...

Kenta hashes a document and says, "I can revert this later to read it, right?" The teacher places an envelope and a document ...

This is an explanation of the Cryptography problem "It is my Birthday 2" from CyLab Security Academy (formerly picoCTF). You are provided with one file, invite.pdf. There is a form on the webpage to ...

Quantum-safe blockchain design requires more than replacing ECDSA. This article examines the protocol layers that still matter after post-quantum migration.

Ethereum hash functions are reevaluated as post-quantum proof systems remove prior constraints, focusing on security and speed trade-offs.

kind/unsoundnessA bug that has the potential to cause unsoundness, be it ill-typing or proofs of FalseA bug that has the potential to cause unsoundness, be it ill-typing or proofs of False ...

Voltar a escrever sobre hash functions é, para mim, uma volta às origens. Durante minha trajetória como professor universitário, lecionei disciplinas de Redes de Computadores e Segurança da Informação ...

Nine months after North America's largest wildlife overpass opened in Douglas County, the officials behind it say it's been a big success. For decades, I-25 restricted the seasonal movement of animals ...