A collection about awesome blockchains - open distributed public databases w/ crypto hashes incl. git ;-). Blockchains are the new tulips 🌷🌷🌷. Distributed is the new centralized.

A no-nonsense CAPTCHA system with seamless UX | Backend component

a memory-bound graph-theoretic proof-of-work system

Go Implementation of the Spacemesh protocol full node. 💾⏰💪

GDPR compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.

The widget and docs for the proof of work challenge used in Friendly Captcha. Protect your websites and online services from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.

Project dedicated to fight Layer 7 DDoS with proof of work, with an additional WAF and controller. Completed with full set of features and containerized for rapid and lightweight deployment.

git is a blockchain. Start your commit hashes with 00000000 like a real blockchain should.

JeChain decentralized application platform and smart contract blockchain network

blockchain (crypto) tools, libraries & scripts in ruby

A SDK for implementing blockchain-based digital currencies

C/C++ implementation of Ethash and ProgPoW – the Ethereum Proof of Work algorithms

⋰·⋰ Feeless is a Nano cryptocurrency node, wallet, tools, and Rust crate. https://feeless.dev/

This is my attempt to list all possible blockchain consensus out there, i welcome pull request of the blockchain community! lets make it the main reference for blockchain consensus

Monero POW mining in Python

BitCore (BTX) - Cryptocurrency 220 Byte Datacarriersize

⛓✨ Interactive blockchain built with Node.js

Trilio is a blockchain written in Python that utilizes the proof-of-stake concept and helps creating a more smooth and transparent transaction experience, with multiple integrations such as NFT(s) and tokens.

Course content for the Freshman Track at LearnWeb3 - best for intermediates to start diving deeper into various categories of Web3 building

Simple javascript proof-of-work based access for Nginx with virtually no overhead. (Similar to Cloudflare's anti-DDoS feature)