MonerMiner.Rocks has now added Lethean to the list of available coins that you can mine with the Pool+ Web Browser Miner.  Excludes v1 Pool+ Browser Miner.

Lethean is decentralized (peer-2-peer) VPN project with commercial gateway backed by the blockchain. Lethean itself is the fuel and operating currency for this decentralized VPN. It is based on the CryptoNote technology and uses the exclusive CryptoNight v8 algorithm.

Src: Bitcoin Wiki

At the time of this writing Lethean price today is $0.001310 USD with a 24-hour trading volume of $292.13.18 USD.  The current CoinMarketCap ranking is #1878, with a live market cap of $1,042,612 USD.  It has a circulating supply of 795,787,039 LTHN coins and a max. supply of 999,481,516 LTHN coins.