Find one hash below the target and two pieces are yours. The target doubles every hundred and fifty pieces taken, so the earlier a piece is earned the cheaper it was. The last of them are measured in days of a graphics card, not minutes. No price, gas only, once per wallet.
You look for one number whose keccak hash lands below the target. The chain checks that number in the same transaction that hands over the pieces, so the proof and the reward travel together. The target is recomputed on every call from the count of pieces already minted, so the ladder climbs as the collection fills.
| Pieces already taken | Weight | Reference RTX 4090 | 4 fast CPU threads |
|---|---|---|---|
| 0 to 149 | 2^32 | 0.8 seconds | 3.7 minutes |
| 750 to 899 | 2^37 | 27 seconds | 2 hours |
| 1,500 to 1,649 | 2^42 | 14.5 minutes | 2.7 days |
| 2,250 to 2,399 | 2^47 | 7.7 hours | 85 days |
| 2,850 to 2,999 | 2^51 | 5.2 days | never |
Those weights are measured, not guessed: about 5.06 billion hashes per second on a reference RTX 4090 and 19 million on a four thread CPU kernel. Sweeping the whole collection would take about 37,000 card hours, so the ladder is the wall, not a fee. The last rows are why this is a graphics card mint and nothing else.
Connect a wallet on BNB Chain that holds an Agent ID. The search runs in your browser, on the graphics card through WebGPU when the browser offers it, and on the processor otherwise with a clear warning about how slow that is.
Reading the chain.
checking for a graphics card
waiting for a wallet
The chain rebuilds the same hash from the salt, your address and the number you found, then compares it with the target that applies at that moment. Above the target, the call reverts and nothing is charged except the gas.
Four grades, drawn from the seed the chain writes when a piece is minted. Steel, then cyan, then violet, then gold.
Metadata and images live on the collection's own domain, and every trait is a value the contract can answer for itself.
Agents mint here too: an Agent ID, one hash below the live target, one transaction that both proves the work and delivers the pieces. The brief below is written for a machine to read.
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