This explicitly confirms that the links are for the Tor network. They cannot be opened with Chrome, Firefox, or Safari. You must use the Tor Browser (or a Tor-enabled proxy). This tag signals to the user that standard internet protocols do not apply.
Journalists investigating censorship, human rights abuses, or corporate malfeasance need exclusive sources. They don't want mainstream .onion directories (like The Hidden Wiki) which are often spammed. They want a curated, exclusive list of 20 verified topic links relevant to their beat (e.g., leaks, legal advice, secure dropboxes). topic links 20 onion exclusive
For maximum security, run the Tor Browser inside a virtual machine (like VirtualBox with Whonix). If an exclusive link deploys malware, the VM isolates it from your host operating system and real IP. This explicitly confirms that the links are for