Scaling & Network Infrastructure

Frontrun

Also: Front-Running

Spotting someone's pending transaction and placing your own ahead of it to profit from the price move it will cause. It is illegal in traditional markets but a built-in feature of open mempools.

General education, not investment, legal or tax advice. Markets and regulation change quickly: where a definition depends on current law or on a recent event, check the latest coverage before relying on it.