https://www.theguardian.com/technology/2021/sep/16/nft-trader-opensea-bans-insider-trading-after-employee-rakes-in-profit > Executive was found to be buying artworks shortly before they were promoted on site’s front page > A non-fungible token (NFT) marketplace has introduced policies to ban insider trading, after an executive at the company was discovered to be buying artworks shortly before they were promoted on the site’s front page.