OpenSea.io

OpenSea the largest marketplace for non fungible tokens experienced a significant data security incident in October 2024. The breach involved the exposure of approximately 7.6 million unique email addresses belonging to users who had interacted with the platform since 2018. The leaked dataset appeared on various underground forums and data breach aggregators. While sensitive financial information or private keys were not reported as part of this specific set the exposure of such a massive volume of user emails poses a high risk for targeted phishing campaigns and social engineering attacks against crypto enthusiasts.