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103 search results found

Gittorrent ⭐ 4,607

A decentralization of GitHub using BitTorrent and Bitcoin

Awesome Blockchains ⭐ 3,619

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

Awesome Blockchain ⭐ 2,959

⚡️Curated list of resources for the development and applications of blockchain.

Naivecoin ⭐ 1,115

A cryptocurrency implementation in less than 1500 lines of code

Pysimplechain ⭐ 186

A Python Implementation of a simple blockchain

Smartid Contracts ⭐ 155

Here are all the contracts pertaining to SmartID

Amp Matching Engine ⭐ 155

Official proof decentralized exchange matching engine

Merkle Patricia Trie ⭐ 139

A simplified golang implementation of Ethereum's Modified Patricia Trie.

My First Bitcoin Miner ⭐ 110

For the curious minds who want to understand how Bitcoin Blockchain works!

Ckb Explorer Frontend ⭐ 105

Nervos CKB Explorer Frontend

Simple Blockchain ⭐ 99

My implementation of a blockchain in C++ - Peer-to-Peer network, SHA-256, Merkle Trees, Mining, etc.

Blockchain ⭐ 94

A very simple BlockChain implementation in PHP https://github.com/rhondle/BlockChain

Easychain ⭐ 93

A simple python blockchain ledger

Image Stego ⭐ 85

Steganography-based image integrity - Merkle tree nodes embedded into image chunks so that each chunk's integrity can be verified on its own.

Lifehash ⭐ 76

A beautiful method of hash visualization based on Conway’s Game of Life: reference library in Swift

Ipfs Md Wiki ⭐ 72

a decentered wiki system by ipfs and markdown

Verifyipfs ⭐ 71

Solidity library for verifying IPFS hashes

Blockchain_golang ⭐ 63

Blockchain demo based on golang 基于golang编写的区块链公链demo

Blockchain Reading List ⭐ 61

A reading list on blockchain and related technologies, targeted at technical people who want a deep understanding of those topics.

Blockchain_database ⭐ 50

Database Architecture based on Blockchain Technology

Khs Blockchain Java Example ⭐ 48

Simpleblockchain ⭐ 45

Simple demo of how the blockchain works

Crypto Dht ⭐ 41

Blockchain over DHT in GO

Ipfs Eos Demo ⭐ 36

Demo saving text and images to ipfs and storing the hash on the EOS blockchain

Blockchain ⭐ 34

Simple BlockChain DEMO in JAVA

Pg_credereum ⭐ 32

Prototype of PostgreSQL extension bringing some properties of blockchain to the relational DBMS

Blocksign ⭐ 28

BlockSign Specification

Blockchain based database

Cross-chain atomic swap between the networks of two cryptocurrencies based on Hash Time Lock Contracts (HTLC's) protocol.

Stampery API for NodeJS. Notarize all your data using the blockchain

File On Blockchain ⭐ 23

📦 Store file's hash on ethereum blockchain and verify it's original

Blakechain ⭐ 22

Hash chains built with BLAKE2b

Blockchain ⭐ 22

Dicestart ⭐ 20

Mini framework for easy creating blockchain games

Node Blockchain ⭐ 18

Nodejs实现区块链

Integrity ⭐ 18

Java library providing Merkle DAG structures

Dictionary ⭐ 17

A lisiting of terminology for internal consistent use at the DCI, but published to serve as reference externally. PR's welcome!

Ethereumdb ⭐ 17

Flask Blockchain ⭐ 14

Blockchain simulation with a web interface on Flask

Blockchain ⭐ 14

This is the repository for NIST Blockchain developments

Dcrtimegui ⭐ 14

Timestamp files with blockchain

Proof Of Existence ⭐ 13

Ethereum Smart Contract to prove a document's existence at some point by storing and verifying its hash.

Flosecret ⭐ 12

Crystal_coin ⭐ 12

Building blockchain from scratch using crystal for Toptal Blog (https://www.toptal.com/blockchain/crystal-program

Go Btcrpc ⭐ 12

A simple JSON-RPC pacakge for Bitcoin.

Blockchain Notary ⭐ 12

A simple blockchain app allowing you to notarise your digital assets

Blockchain Demo ⭐ 12

Block chain concept demo program in python

Stratisidentity ⭐ 12

Home of the Stratis Identity proof of concept

Mongoblock Proof ⭐ 12

💻 Look up an Ethereum function signature by the 4 bytes of its hash

Decentralized communication with high-scaling blockchain economy on permission-less parallel blockchains using proof-of-transaction consensus, mobile devices and distributed-hash-table.

blockchain imprementation by Python (kumacoin2.0 project)

I7j Pdfchain ⭐ 11

pdfChain: (experimental) blockchain for the masses

Adx Blockchain ⭐ 10

NEO smart contract for adX platform

A blockchain thingy build with Go

Blockchain Php ⭐ 10

An object-oriented PHP library for creating a blockchain easily.

Lazycoin ⭐ 10

An implementation of a blockchain used to manage transactions in a new cryptocurrency called lazycoin.

Openvote ⭐ 10

☑️ A prototype of a voting machine that timestamps its results using OpenTimestamps - 3rd place at the DC Blockchain Summit Codeathon 2017

Merkle Tree Example ⭐ 9

This has the basic solidity code, where you can verify and test Merkle proof with Merkle Tree and root hash

Vanilla Blockchain ⭐ 9

🍦A distributed database that maintains a continuously growing list of ordered records.

Passwd Manager ⭐ 9

a simple password manager

Victor, verifier in cryptography, publicly issues free trusted TIMESTAMP of file hash information embedded into a blockchain.

Crypto Core ⭐ 9

A Swiss Army knife for Blockchain related projects

Blockchain Proof Existence ⭐ 9

This web application shows how to use Tierion Hash API, RethinkDB with the rethinkdbdash driver, and PubNub's Storage and Playback

Abt Did Spec ⭐ 8

ABT DID Protocol

Chainpoint ⭐ 8

Federated server for building blockchain notarized Merkle trees.

Silverstripe Verifiable ⭐ 8

Independently verify using the Bitcoin Blockchain

Ens Manager ⭐ 8

A simple management tool that let user easily to set IPFS hash with the ENS Resolver

Merkle Tree ⭐ 8

Hash tree enabling efficient comparisons

Getting Started To Blockchain ⭐ 8

Complete description of how actually blockchain works. javascript-es6

Python Block Chain ⭐ 8

python3によるblock chaineによる公文書などの改竄がないことの保証の例です

Miniblocklychain ⭐ 7

The free version of Mini BlocklyChain, is a blockchain based on Blockly programming for App Inventor and others blockly systems.

Simple Blockchain C Sharp ⭐ 7

📘 This is a C# port from Python code 🐍 It uses SHA-256 as hash ⛓

An ever-evolving set of Python scripts for keeping track of Markdown-based notes.

Twitter Blockchain ⭐ 7

Build your own Blockchain Twitter Recorder in Go

a interesting test

Simplecoin ⭐ 7

A simple blockchain-based cryptocurrency written in Python, written in less than 900 lines.

Document Hashing website using Ethereum Blockchain

Blockchain Py ⭐ 6

A simple Blockchain structured by Python

Lmdbcpp Monero ⭐ 6

Extract information from Monero's blockchain into custom lmdb databases

Memo Push ⭐ 6

Publish IPFS hashes to the BCH blockchain using the memo.cash protocol

Merkle Schemes ⭐ 6

apply merkle-type hash annotations to arbitrary recursive data structures as defined using recursion schemes

Research Blockchain ⭐ 6

Research into the technologies surrounding blockchain technology and cryptocurrencies like Ethereum and Bitcoin

A simple, fully-functional, decentralized content sharing web application, which implements a public blockchain from scratch. Built using the Flask web microframework, Bootstrap front-end framework, Jinja template engine, and SQLite RDBMS.

An educational JS blockchain aimed at being usable in productions

Android app for securing dash camera videos using Bitcoin Blockchain

Myblockchain ⭐ 6

blockchain based chat app - just in order to learn the rough concepts

Blockchaintutorial ⭐ 6

Blockchain Python ⭐ 5

This is a implementation of a basic blockchain structure in python, with all the description, and documentation of it's working and things.

Blockchain_ensured_certificates_verifier ⭐ 5

With the Blockchain Ensured Certificates Service, CERTIVATION offers educational institutions an independent platform to issue and manage forgery-proof certificates. The platform enables graduates not only to prove the authenticity of their data at any time without official certification, but also to share certificates directly. t the same time, companies can directly and reliably verify the authenticity of their applicants' certificates. The use of blockchain technology (decentralized data s

Machine Identity ⭐ 5

Machine identity and its application

Tactical simulator for hashrate battles between miners at relativistically large distances

Wwc Blockchain Cryptocurrency ⭐ 5

Women Who Code Workshop on Blockchain and Cryptocurrency

Reksio Ethereum ⭐ 5

Real time video stream notarization on Ethereum blockchain built at Diffusion 2019

Nemonster ⭐ 5

Verifica Notarizzazione Blockchain ⭐ 5

Qui si può verificare l'avvenuta notarizzazione del consenso seguendo le istruzioni oppure si può caricare la ricevuta nella pagina apposita a: https://popso.github.io/verifica-notarizzazione-bl

utility functions for AXE hashes and targets

Blockchain system created for my NTUA ECE Distributed Systems 2018-2019 course

Tamperproof ⭐ 5

Hash MongoDB Documents on EOS blockchains.

Merkl.io -- a free merkle-based notarization API micro-service for the Ethereum blockchain.

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