Case study · zkSync Era

Zk Chickens

A casual online shooter on zkSync Era, shipped to Google Play. Players mint items on the web and use them in-game immediately — the economy is built so skilled players can earn without the game becoming work.

Role

Contracts · economy · mint

Chain

zkSync Era

Platform

Android · Play Store
Zk Chickens

The problem

Item ownership that survives the game session

Casual shooters live or die on session length, so nothing in the mint flow could block play. Items had to be purchasable on the web and usable in the next match without a rebuild, a restart, or a wallet prompt mid-fight.

What we built

Signature-gated mints, batched on zkSync Era

Items are ERC-1155 tokens minted from the web app; the game client reads ownership at match start and verifies actions with signatures instead of writing per shot. zkSync Era keeps fees low enough that a cosmetic purchase makes sense at casual-game price points.

The economy

Earning from skill, not from grinding

Rewards come out of match fees rather than fresh emissions, so the pool is bounded by real activity. Skilled players earn; the token doesn't need new buyers to keep paying out. This is the lesson we took from watching earlier play-to-earn economies unwind.

Stack

SolidityzkSync EraUnityNext.jsERC-1155

Links


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