BTJunkie is an advanced torrent search engine. It uses a web crawler to search for torrent files from other torrent sites and store it in its database. It has nearly 4,000,000 active torrents and about 4,200 torrents added daily, making it the largest torrent site indexer on the web. BTJunkie indexes both private and public trackers using an automatic web crawler that scans the Internet for torrent files. Cookies are used to track what one downloads so that the person doesn't need to register in order to rate the torrent. The ratings and feedback given by the person are used to help properly filter and flag malicious torrents uploaded into the website. Registration not required.