The Yuga Labs digital land sale this weekend, a mass-mint of new NFTs that temporarily clogged the Ethereum blockchain, is not just making money for the company behind the new set of images that may figure in a future digital service. Other parties are also doing rather well from the effort.

News coverage from the “Otherdeeds” mint points to massive volumes. Decrypt wrote that “OpenSea set a new one-day record for Ethereum NFT trading on Sunday with $476 million,” with the publication adding that “much” of the sum came from Otherdeed activity.

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The rush of activity to collect what many hope will be incredibly valuable pieces of digital land — cartoon images of land, in effect, with slight variations — was immensely profitable for Yuga Labs, which took in an estimated $320 million from the event. The overall pace of activity driven by the mint was in fact so large that it led to a simply massive amount of ether, the token associated with the Ethereum blockchain, being burned.

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Amid all the large numbers, you might think that it’s bullish times for the NFT market. After all, so much activity was driven by a single collection’s expansion project — the Bored Ape crew has managed to turn a hit NFT set into several collections, huge venture checks, and now a license to print money thanks to speculators snapping up its newly offered digital assets.

But I wonder. Parsing the top collection list on OpenSea, we can see that the Yuga Labs world represents a large portion of the aggregate NFT market as we understand it. Is there a bit too much centralization in the NFT market?