WSJ Buy Side is The Wall Street Journal’s research and commerce team. Our commerce content is distinct from our newsroom coverage. We earn a commission from some links in our articles. Learn more.

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 ...