Topic Links 2.0 Onion refers to a known directory and link aggregator within the Tor network, designed to provide users with a curated list of active onion services
The foundation of 2.0 is the Tor V3 protocol. V3 addresses are 56 characters long (e.g., v2verifyingexampleofav3address...onion). This length eliminates brute-force collision attacks and includes built-in versioning and checksums. More importantly, V3 addresses support next-gen onion services features like client authorization and stealth authentication. Topic Links 2.0 Onion
Future developments
: Some versions of these lists attempt to verify link status to filter out "dead" or expired onion sites, which frequently go offline due to server instability or law enforcement actions. Federal Bureau of Investigation (.gov) Technical Context Access Requirements Topic Links 2
Phishing Risks: Directories often contain "mirror" links or clones designed to steal credentials for other sites (like crypto wallets or email). Core Hub (Layer 0)
Frequent Downtime: Like many dark web directories, TL2 was notorious for going offline frequently without notice.
Write a JavaScript function that, on page load, queries your server’s /api/related-topics?pageid=123 endpoint. The endpoint should return up to 10 related .onion internal links based on TF-IDF similarity. Example query:
