Show HN: POWBlock proof-of-work microservice for any serverhttps://github.com/8Protons/POWBlock
Hello everyone! Longtime HN lurker, first time real contributor. I'm the lead programmer behind the POWBlock project. Back in 2024 we started developing something that didn't exist: A universal, stack-agnostic bot blocking gate that you can attach to any server like a high-performance sidecar. The idea was to create a PoW defense system for Varnish/Vinyl Cache because nobody ever made a vmod for it, and we didn't want more proxies stuffed into our stack. But as the final spec developed - "stateless, lockless, HTTP header controlled microserver and PoW validator" we made the decision to drop a…