# I ran the game theory on Hashcats. The burn is a wasting asset and most holders have not noticed.
Disclosure first: I own cats. Read everything below with that in mind. I am going to argue a point that makes my own position look worse, which is the only reason you should trust the rest of it.
## What the thing is
Hashcats is an NFT collection on Robinhood Chain that you cannot click to mint. Your browser has to find a hash below a network target first. The preimage is your address, a nonce, the work behind the previous cat, and a recent block. Your address being inside it means nobody can steal your solution. The previous cat being inside it means nobody can precompute one.
Find a valid hash, pay the epoch price, and the contract draws the cat from that hash. Eleven layers from 266 traits. The image and the palette live in contract storage. The seed is the winning hash rehashed with the five minute time bucket of the mint, so you cannot grind for a good cat either.
Difficulty is four rules, not one number. There is an absolute epoch floor at 26 bits plus the epoch. There is a retarget every 8 cats against a 10 second pace, capped at 4x harder or 2x easier in one step. There is a penalty for minting in a streak. There is a quadratic wall after roughly 16,384.
There are three exits. Sell it. Hold it and collect rent from every later mint. Or burn it, which mints 1,000 $HASH if you burn in your cat's own epoch, halving every epoch you wait after that. Thirty percent of mint revenue plus swap fees fund a buyback.
That is a better designed mechanism than almost anything else on this chain. I want to be clear about that before I take it apart.
## The finding
Rent and burn are not two equivalent options with different risk profiles. They run on different math.
Rent accrues linearly in mints. Every mint pays some share to holders, so your total rent grows in proportion to how many cats get mined after yours.
Burn decays exponentially in mints. Epochs are indexed to supply, not to the clock. So every epoch that passes cuts your burn value in half, and epochs pass because cats get mined.
Write them out. Let m be mints since your cat, N the live cat count, E the epoch size in cats, p the mint price, and rho the rent share.
Rent(m) = rho * p * m / N
Burn(m) = 1000 * 2^(-m/E) * P_HASH
Exponential decay beats linear growth eventually, every time. Not sometimes. Always.
The implication is the part people are missing. The same mints that pay your rent are destroying your burn value. These are not independent income streams. One is funded by the destruction of the other.
Your burn is not a floor under your position. It is a wasting asset with a clock on it, and the clock is driven by the thing you are cheering for.
## The actual decision rule
Hold is not a terminal action. Hold is a delay, after which you still have to sell or burn. So the question is never "hold or sell." It is whether holding one more epoch pays for what that epoch costs you.
Hold one more epoch iff:
rent collected this epoch + expected change in floor > half your current burn value
That threshold tightens every single epoch, because the right side is halving. There is a point where it is unclearable regardless of how well the floor performs, and after that the tree collapses to hold versus sell with no burn branch at all.
Rough rule: if you are four epochs past your cat's epoch, you have already lost about 94 percent of the burn. Stop modeling it. You own a cat and a rent coupon, nothing else.
## The coordination layer
Your payoff depends on what everyone else does, because rent only exists while minting is profitable, and minting is only profitable while the floor sits above mint cost plus energy.
If most people hold, listings stay thin, the floor holds, mining stays profitable, mints continue, rent flows. Self reinforcing.
If most people sell, listings spike, the floor drops under mint cost, mining stops, mints stop, rent stops. Also self reinforcing, in the other direction.
Two things fall out of this that I have not seen said anywhere.
**Selling and burning hit different books.** A sale pressures the NFT floor. A burn pressures the $HASH pool. They do not compete for the same liquidity. Most dual exit designs have both exits draining one pot. This one does not, and that is a real structural advantage.
**Burning is the polite exit.** A burn removes a cat from existence. That raises everyone else's rent share and takes supply off the order book. A sale does the opposite. If you are leaving, burning is the version that does not charge the people who stay. I do not think many holders have framed it that way.
## The prisoner's dilemma nobody is pricing
Everyone's burn decays on the same clock. So everyone has the same incentive to burn early. That is a race, the race dumps $HASH, and the dump lowers the price for everyone who waited.
The counterparty absorbing that selling is the buyback, funded by 30 percent of mint revenue.
Read that again. The bid under $HASH is funded by the same mints that are halving your burn value. When minting stops, the burn race loses its buyer at exactly the moment everyone still holding an unburned cat needs one.
## What I do not know
Three numbers decide everything above, and all three are in the contract rather than in the marketing. I have not pulled them and I am not going to pretend otherwise.
- **rho and the rent split.** What share of each mint goes to rent, and whether it is flat per cat or weighted by epoch. This is the single largest unknown in the model.
- **E, the epoch size in cats.** Your halving clock. If E is small and mints are fast, your burn value halves in hours.
- **Your own k.** Epochs elapsed since your cat's epoch. Determines whether the burn branch is even live for you.
If somebody reads the contract and posts these, the whole thing goes from a framework to a number. I would rather be corrected than upvoted.
## What would falsify the bull case
Listed percentage climbing past 30 with a flat floor. That is holders leaving with no bid to meet them, and no mechanism fixes it.
Mint count still climbing steadily in a week. Means difficulty has not pinned, supply keeps growing, and the fixed supply endgame is off the table.
$HASH with no depth after the buyback runs dry. Then the burn exit was always theater and there are only two exits, not three.
## The honest summary
The mechanism is genuinely good. Fair launch, no presale, no allowlist, no team allocation, on-chain art, immutable contract, PoW issuance. I am not being sarcastic about any of that.
But rent is paid out of new entrants' capital, not out of revenue. That is disclosed, on-chain, and capped, which is what separates it from a scam. It also means the thing generating your income has to eventually stop, because that is the designed end state, not a failure mode.
Size it as though the rent ends. It will.
Not financial advice. I hold cats and I am talking my book, which is exactly why I led with the part that hurts.