Information

A fully on-chain proof-of-work NFT collection on Robinhood Chain. A cat exists only when someone's machine finds a hash below the target — no allowlist, no auction, no team allocation. Every mint pays rent to all the cats already alive, and 70% of what the protocol earns buys back and burns $HASH.

• X channel@hashcats_rh
• Category Gamified Mining
• Audits 0
• Listed on2026-09-12

Methodology

Rent accrued to the cats currently alive and not claimed yet, held as ether by the HASHCATS collection at 0xca75df55cc9c476db27a7375d1fc8e794cf80721. A cat is minted only when a miner submits a hash below the collection's target, and the price is split on the spot between the cats already alive and the protocol's hook. The hook's cut leaves in the same transaction that creates it, so what stays behind is owed to NFT holders: the contract has no owner withdrawal, sweep or rescue, and the only two paths that send ether are the hook's cut at mint time and the claim paying a cat's owner. The hook's own buyback queue and Uniswap V4 position are protocol-owned liquidity and are deliberately not counted.

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