No, this is from memory, I could be wrong. Specifically I recall a story that pirates were using their api to just upload the hash and basically use it as a fi

No, this is from memory, I could be wrong. Specifically I recall a story that pirates were using their api to just upload the hash and basically use it as a file transfer service. They had to start requesting random chunks of files to make sure you actually had the file you were trying to sync. Edit - I found a link: http://www.wired.co.uk/article/dropbox-dmca-position http://www.wired.co.uk/article/dropbox-dmca-position