SHA-256 produces a fixed 256-bit output from an input of any size, and Bitcoin applies it twice to block data. Ethereum chose ...

Both "encryption" and "hashing" are technologies that convert data into a different form.However, there is a major difference ...

We explore Wireguard and how it's revolutionising the VPN protocol world with its next-generation technology.

Cryptographers solved a version of this decades ago with a commit-reveal scheme. One party locks in a secret before the other acts, publishes proof of that commitment, and only reveals the secret ...

Chamath Palihapitiya gives a blunt response on Bitcoin's future.

Argon2, bcrypt, and scrypt compared on OWASP 2026 parameters, real benchmarks, memory cost, and migration steps for password ...

Invited users can now move real funds on the Polygon spin-off's privacy chain, though validators can still see private inputs for now.

A pen drive or a CCTV clip reaches the courtroom as a bare file. It looks the same whether it is genuine or edited. The law therefore needs a way to show that the file produced in court is the same ...

A new open math challenge at starks.provably.fast aims to tighten error bounds in STARK proofs, potentially reducing their size significantly.

ECDSA secures nearly every blockchain. Project Eleven’s Alex Pruden and Conor Deegan lay out how it works and why AI’s skill at math has cryptographers rethinking it.

Learn how a Merkle Mountain Range works, how it verifies blockchain history, and why its append-only design matters for ...