Introducing Proof-of-Work Defense for Onion Services | Tor Project
blog.torproject.orgToday, we are officially introducing a proof-of-work (PoW) defense for onion services designed to prioritize verified network traffic as a deterrent against denial of service (DoS) attacks with the release of Tor 0.4.8.
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Having the proof of work defense has been a game changer for the network. I’ve noticed a hell of a lot less unresponsive onion services. However, this is old news as it was released last August. Most everybody should have a version capable of doing the proof of work by now.
That’s why I posted it. It has been rolled