Hikari Engine: A Behavioral Reward Economy for Human Resonance

This paper proposes the Hikari Engine — a behavioral reward economy in which human actions, contributions, and resonance are quantified as Hikari (光貨, light currency). Unlike conventional advertising models that treat users as passive observers, the Hikari Engine transforms users into active agents whose engagement generates measurable value. Implemented as a game mechanic through the ECHO platform, the Hikari Engine demonstrates that the smallest unit of human contribution can be the atomic unit of a civilization-scale economy. The system is designed as a non-redeemable point currency, grounded in GKU cosmological theory, and represents a fundamental rethinking of what an economy is for.