Art Blocks Mint-at-Purchase Model

Mint at purchase is the core product difference that makes Art Blocks feel less like a storefront for finished files and more like a machine for producing unique works on demand. The artist uploads code, not a finished image, and the buyer triggers the final output at checkout, so the collector receives the first owned version of that work. That is why Art Blocks needs custom rendering, metadata, and marketplace support that standard NFT listing flows do not.

• On Foundation, the creator mints first and can list the NFT in the same transaction or after minting, which means the object exists before a buyer arrives. Art Blocks flips that order. The token and the visual output are created together when the collector mints, so the artist never holds inventory in their wallet.
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• That workflow fits on chain generative art because the NFT is not mainly a stored JPEG. The important asset is the script on chain plus the token hash created at mint, which combine to deterministically generate the final image. One script can produce many distinct outputs without storing every full image on chain.
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• It also explains marketplace compatibility. General marketplaces were built around already minted tokens and standard listings. Art Blocks depended on marketplaces like OpenSea to adapt their display layer for live rendering, while systems like Async were closer to edition infrastructure built for repeated mints of the same underlying piece.
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This model points toward NFT platforms becoming more specialized by media type. The winners in generative art are the ones that can handle mint time creation, live rendering, and project level browsing, while broad marketplaces remain strongest as secondary venues once the token already exists and collectors want liquidity.