The researcher used 4 filters to weed out uncommon buying and selling conduct that almost definitely indicated wash buying and selling. First, they filtered out apparent trades of NFTs between the identical pockets tackle. Second, they checked out back-and-forth trades of the identical NFT between two completely different pockets addresses — probably the most widespread wash buying and selling techniques. Third, if a pockets tackle purchased the identical NFT three or extra instances, it was flagged as a wash commerce as a result of improbability of the scenario. Lastly, if a purchaser and a vendor in an NFT transaction had wallets that have been first funded by the identical pockets, it was apparent that there was a connection between them and was due to this fact flagged as a wash commerce.