http://i2p4pedos.i2p/about.html
I was there when the NSA used a Day Zero exploit to cause Firefox Tor browsers to reveal IP Addresses. Silkroad and, of course, Lolita City went down soon afterwards. I've seen countless Pedo sites on Tor come and go. I've used NNTP, Freenet, Tor, Tails, Whonix, Torchat, Frost, Ricochet and I2P.