hashcash

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Pure PHP implementation of Hashcash 1.

Protect online forms from spam by making them perform Proof of Work (PoW).

Hashcash implementation in ES6 / Javascript

hashcash a Go library which implements the hashcash proof-of-work algorithm.

Proof of work similar to Hashcash, based on BLAKE2b, written in JavaScript and WebAssembly

Hash based proof of work in Electrum protocol

HashCash proof-of-work implementation for Python 3.5+ and Java 8+.

The application shows how to resist DDOS attacks using proof of work algorithm

ZeroTier-compatible cryptography library for Rust

Hashcash inspired Syscoin faucet

A toy implementation of a tcp server with its own simple text protocol with content protection from ddos attacks using proof of work.

React Native C++ turbo module for the new architecture which implements SHA-256 based Hashcash algorithm against brute-force

This repository is proof of concept that implement proof of work system in PHP, javascript, and web assembly.

A hashcash proof of work implementation for Dart and Flutter

Golang implementation of hashcash algorithm

Proof-of-work based challenge-response TCP server

Deterministically generate strong, random-looking password from any given string. Stateless password miner. Also see the link below for a better code.

Hashcash PoW JavaScript implementation. No dependencies.