Quidd, an online marketplace for trading stickers, cards, toys, and other collectibles, appears had suffered a data breach in 2019.
The details of around four million users were shared for free on underground hacking forums.
The data contained Quidd usernames, email addresses, and hashed account passwords.
Source: https://www.zdnet.com/article/account-details-for-4-million-quidd-users-shared-on-hacking-forum/
"id": "QUI1252291222",
"linkid": "quidd-inc",
"type": "Breach",
"date": "12/2019",
"severity": "60",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"