288 Repositories
JavaScript context-sware-smart-contracts-for-blockchain-iot Libraries
Examples of Solidity++ contracts
soliditypp-examples Examples of Solidity++ 0.8.0 / 0.8.1. This is a preview version. DO NOT use it in production environment. Getting Started npm inst
A simple project to learn more about developing smart contracts on polygon.
polygon-books-hardhat A simple project to learn more about developing smart contracts using Solidity. Local Development Environment Setup Install all
Toolkit for development, test and deploy smart-contracts on Waves Enterprise ecosystem.
JS Contract SDK Toolkit for development, test and deploy smart-contracts on Waves Enterprise ecosystem. Quickstart The fastest way to get started with
Dfunds is a decentralized fundraiser and NFT minter application built on Conflux blockchain with ChainIDE
Dfunds is a decentralized fundraiser and NFT minter application built on Conflux blockchain with ChainIDE. Dfunds was inspired by Conflux Labs & ChainIDE Hydra Developer Bootcamp. It was built to solve the problem of individuals and foundations in need of funds.
Security tool + attack database used to take quick action against newly-discovered vulnerabilities in the blockchain.
SolidGuard Version: v1.0.1 SolidGuard is a Blockchain Security tool catered towards organizations who manages decentralized applications on the Ethere
Introductory fullstack ethereum dapp using: solidity, hardhat, react.js, ethers.js
Intro to Fullstack Ethereum Development Check out deployed dapp here! (Make sure you're connected to the Rinkeby Testnet) This article will help you e
Fullstack Spotify clone app using NextJS and many other libraries.
Spotify Clone Spotify clone made with NextJS on both the client and server sides. For the database, I utilized Postgresql and Prisma ORM. I used Chakr
E-Commerce solution for security of databases and transactions.
commerce_new_era AMAÇ Amacımız günümüzde E-Ticaret sitelerinde bulunan sahte ürünlerin ve mağduriyetlerin önüne geçmektir. Bunu yapmak için Blockchai
🚀 NFTank (NFT tank for dummies) will allow developers to quickly request NFTs to personal wallets or smart contracts in just a few clicks.
👷♂️ NFTank 🚀 NFTank (NFT tank for dummies) will allow developers to quickly request NFTs to personal wallets or smart contracts in just a few click
This is a Blockchain contract app built with solidity, ethersjs, nodejs, and the hardhart library. Connects to metamask as well.
Dribble - Hardtjs, Etherjs, Metamask Project About Dribble is my first blockchain, web 3.0 application that you could use to deposit ethereum into a w
Perma is a prototype of permanent video storage and viewing using Next.js, Arweave, and Bundlr.
PERMA Perma is a prototype of permanent video storage and client-side rendering using Next.js, Arweave, and Bundlr. Technologies used: Arweave - File
Boilerplate starter template for a new TON blockchain project - FunC contracts, JS tests, compilation and deployment scripts
TON Starter Template - Contracts Starter template for a new TON project - FunC contracts, JS tests, compilation and deployment scripts Overview This p
a quick start boilerplate for developing web3 apps and deploying smart contracts.
create-web3 A boilerplate for starting a web3 project. This boilerplate quickly creates a mono repo with 2 environments, a Next JS environment for fro
Get the latest Flashbots blocks and Flashbots transactions using TypeScript in two lines of code !
mev-blocks-js This package can let you query the Flashbots blocks API easily from any JavaScript or TypeScript project. You can access the Flashbots b
A Timetable DApp. It is a university group project.
A blockchain e-timetable project It is now testing, please use Metamask and Rinkeby Test Network Metamask: https://metamask.io/ Get some coin in test
A simple Rust DApp Calculator in Solana 🦀
Rust Calculator 🖩 in Solana 🦀 This Calculator written Rust using Anchor ⚓ Setting up the Environment: Rust Installation: curl --proto '=https' --tls
solana-base-app is a base level, including most of the common features and wallet connectivity, try using `npx solana-base-app react my-app`
solana-base-app solana-base-app is for Solana beginners to get them up and running fast. To start run : run npx solana-base-app react my-app change th
sound.xyz smart contracts
sound.xyz protocol Explanation of our design approach: https://sound.mirror.xyz/WlS2nfpa1Onk8uknbC7YkhVJ4cYibTc4rUDTyiR55lM We plan to make the protoc
Yet another library for generating NFT artwork, uploading NFT assets and metadata to IPFS, deploying NFT smart contracts, and minting NFT collections
eznft Yet another library for generating NFT artwork, uploading NFT assets and metadata to IPFS, deploying NFT smart contracts, and minting NFT collec
Kurs-repo för kursen Webbserver och Databaser
Webbserver och databaser This repository is meant for CME students to access exercises and codealongs that happen throughout the course. I hope you wi
TagoCore - Open Source (TCore)
TagoCore - Open Source ("TCore - OSS") The Repository This repository ("TCore - OSS") is where we (TagoIO) develop the TagoCore product together with
This is a development platform to quickly generate, develop & deploy smart contract based applications on StarkNet.
generator-starknet This is a development platform to quickly generate, develop, & deploy smart contract based apps on StarkNet. Installation First, in
A tiny blockchain node for browsers.
UBI Chain A very tiny blockchain for browsers. Features Spin up a node from a browser. One node per human via Proof of Humanity UBI for gas and fees.
Multi-sig wallet for the Ethereum blockchain.
Ethereum Multi-sig Wallet See it live here Prerequisites Follow this guide to create an Ethereum wallet and switch to the Rinkeby Test Network Send yo
A decentralized Music Ownership System developed on Truffle Suite and React Bootstrap to allow Music artists to upload their content to the blockchain, that can be streamed by users
A decentralized Music Ownership System developed on Truffle Suite and React Bootstrap to allow Music artists to upload their content to the blockchain, that can be streamed by users.
A Multichain crypto wallet library that supports Ethereum, Solana and other EVM compatible blockchains.
Multichain Crypto Wallet A Multichain crypto wallet library that supports Ethereum, Solana and other EVM compatible blockchains. Installation npm inst
This is a Blockchain contract app built with solidity, ethersjs, nodejs, and the hardhart library. Connects to metamask as well.
Dribble - Hardtjs, Etherjs, Metamask Project About Dribble is my first blockchain, web 3.0 application that you could use to deposit ethereum into a w
Smart Territory Framework Core using NEC Scorpio 2.0 and AWS serverless services
Smart Territory Framework Core - STF Core using NEC Scorpio Broker ⚠️ This stack is for demonstration purposes only. The nested stack deploying the NE
Hemsida för personer i Sverige som kan och vill erbjuda boende till människor på flykt
Getting Started with Create React App This project was bootstrapped with Create React App. Available Scripts In the project directory, you can run: np
Quickly create an anchor program from templates and setup anchor dev environment.
Create Anchor App Quickly create an anchor program from templates and setup anchor dev environment. Example Installation npm i -g @create-anchor-app/c
A smart city community centered application I am building for the Hackers In Residence under the Nkwashi program
A smart city community centered application I am building for the Hackers In Residence under the Nkwashi program. Implementing solutions and automation for potential future problems in the city.
This repository contains the Solidity smart contract of Enso, a detailed list of features and deployment instructions.
Enso NFT Smart Contract This repository contains the Solidity smart contract of Enso, a detailed list of features and deployment instructions. We stro
A little practice dapp for ethereum smart contract development.
Basic Sample Hardhat Project This project demonstrates a basic Hardhat use case. It comes with a sample contract, a test for that contract, a sample s
Lenster is a decentralized, and permissionless social media app built with Lens Protocol 🌿
Lenster Decentralized, and permissionless social media app 🌿 lenster.xyz » Discord • Issues 🌿 About Lenster Lenster is a decentralized, and permissi
Smart contracts for DecentraMix.io, a cross-chain, non-custodial privacy-preserving protocol within the DecentraWorld ecosystem.
➡ DecentraMix.io Solidity Smart Contracts To get a better understanding of DecentraMix, we recommend to read about the technologies and privacy protoc
This project demonstrates single transaction and batch transaction use case
Batch Transaction Fullstack ( Localhost:8545 ) This project demonstrates single transaction and batch transaction use case. It comes with a transactio
Lucid is a library, which allows you to create Cardano transactions and off-chain code for your Plutus contracts in JavaScript and Node.js.
Lucid is a library, which allows you to create Cardano transactions and off-chain code for your Plutus contracts in JavaScript and Node.js.
A decentralized protocol for indexing and querying data from DecentraMix's on chain contracts across all supported blockchains.
A decentralized protocol for indexing and querying data from DeMix contracts across all supported blockchains.
Elven Tools Dapp - Elrond blockckchain frontend dapp demo. Primarily for NFT minting, but it can be used for other purposes.
Elven Tools Dapp Docs: elven.tools/docs/landing-page.html Demo: dapp-demo.elven.tools Sneak peek: youtu.be/ATSxD3mD4dc The Dapp is built using Nextjs
Crypto Basket - Free Blockchain Press Release
ADD YOUR CONTENT Upload all files to IPFS All non-IPFS links should be inside LINKS Sections Use markdown syntax How to add content to CryptoBasket ?
A simple NFT trading and breeding platform for demonstration purposes.
📦 boxyz I know it sounds strange, but maybe these boxes can breed and have children. They can be sold as well. boxyz is a fun project to trade and br
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance
DecentraMix.io is a cross-chain, non-custodial, universal privacy-preserving protocol with the decentralized governance. DecentraWorld applies zkSNARKs to enable transactional privacy for all DeFi components by breaking the on-chain link between depositor and recipient addresses.
This repo is dedicated to making minimal repos of existing defi primatives.
Defi Minimal This repo is dedicated to making minimal repos of existing defi primatives. WARNING: None of the contracts are audited! Completed (but un
sound.xyz smart contracts
sound.xyz protocol Explanation of our design approach: https://sound.mirror.xyz/WlS2nfpa1Onk8uknbC7YkhVJ4cYibTc4rUDTyiR55lM We plan to make the protoc
Nomad Monorepo -- SDKs, Contracts, and more!
Nomad Nomad is a cross-chain communication protocol. This repo contains the following: Smart contracts for the core Nomad protocol Smart contracts for
Universal interface for web3 wallets
web3-wallets Universal interface for web3 wallets dapp wallets blockchains ╭─
Omnuum. All about creators.
Summary There are a lot of NFT projects and PFP projects. But, there are limited tools and services for trying new project. Artists or creator whoever
MultiSafe is a shared crypto wallet for managing Stacks (STX) and Bitcoin (BTC).
MultiSafe MultiSafe is a shared crypto wallet for managing Stacks (STX) and Bitcoin (BTC). Deploy a MultiSafe https://app.multisafe.xyz/ Features Curr
Terra development environment for better smart contract development experience.
Terrain Terrain – Terra development environment for better smart contract development experience Terrain will help you: scaffold your dapp project eas
Stays: book accommodation on-chain, pay in crypto, and help local communities
Stays: on-chain bookings Installation Make sure you have node and nvm installed: nvm use v16 npm install -g yarn npm install -g lerna yarn install ler
🎯 Wallet Lite is a Quick and Simple way to use your Tokens of Lunes Blockchain in a light Chrome extension
Lunes Wallet Lite Offered by: Lunes Installing Web store: Lunes Lite will be available on Chrome Web Store Build: Requisites NodeJS (16 or higher) Git
Context-carrying logger with conditional methods.
logger Provides a simple logging interface as well as a LogContext class which carries a context around. Installation npm install @rocicorp/logger Us
JS/TS TON blockchain package
💎 ton3 ton3 is a javascript package inspired by tonweb to work with TON blockchain.\ ⚠️ Work in progress, API can (and most likely will) be changed!
Tip Tweet is a hybrid dApp that provides a simple way to tip a tweet using Ethereum. Authors can claim their tips using their Twitter account. You only need the tweet URL to tip. 🚀 😎
Tip Tweet Table of Contents About Folder Structure Contract Deveopment Starting the App Usage Contributing About Tip Tweet is hybrid dApp that allows
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Mastering Ethereum Mastering Ethereum is a book for developers, offering a guide to the operation and use of the Ethereum, Ethereum Classic, RootStock
A simple API to interact with Stacks and CityCoins data.
CityCoins API Probably Nothing CF Workers + IttyRouter + micro-stacks + TypeScript ...and it feels good! Things to Note uses simple typed responses an
A bridge between different EVM based Chains.
Blockchain Bridge between different Ethereum based chains. This project uses DApps and smart contracts to Bridge assets between blockchains and it is
A solidity tutorial repo.
Advanced Sample Hardhat Project This project demonstrates an advanced Hardhat use case, integrating other tools commonly used alongside Hardhat in the
This is the main repository for NFT collection dao smart contracts.
Basic Sample Hardhat Project This project demonstrates a basic Hardhat use case. It comes with a sample contract, a test for that contract, a sample s
🌱 Ethereum provider solution for Dapp&Wallets, 🏷 If you have good suggestions, please submit issues
English | 简体中文 | 日本 ETH Wallet Modal An Ethereum Provider Solution for Integrated Wallets and Dapps ⚠️ Notice If you need to reduce unnecessary import
A simple multilateral escrow smart contract for ETH and ERC-20 tokens governed by Cobie.
Multilateral Escrow Smart Contract Governed by Cobie Test Deployments Cobie's address: 0x4Cbe68d825d21cB4978F56815613eeD06Cf30152 Rinkeby: 0xFfE420602
Detect if a contract has been deployed in the latest (or predefined) block from an address that was previously funded through Tornado.Cash.
🕵️♂️ TORN Detector Detect if a contract has been deployed in the latest (or predefined) block from an address that was previously funded through Tor
Buy and sell tickets in the form of NFTs on Meter blockchain.
MeterTickets Landing page website: https://metertickets.on.fleek.co Marketplace dapp: https://metertickets-marketplace.vercel.app/ Smart contracts Blo
Been interested, studying, and developing blockchain security with a Zero Knowledge Proof (ZKP) and create a prototype on the current issue with Philippine's upcoming election. 📥
Implementation of Zero Knowledge Proofs in Cryptographic Voting 😎 Reference: Cryptographic Voting – A Gentle Introduction Overview 👨🏻💻 The main i
This is a decentralized Amazon clone, built on the blockchain
The project is a Decentralized version of Amazon, built on the blockchain. Which gives users the ability to purchase and sell items without the involv
A microservice for calling ethereum APIs.
Ether Goblin A microservice for calling ethereum APIs. Features RESTFul APIs for the Ethereum Blockchain and its ecosystem Microservice Run in Docker
Solidity NFT whitelist contract example using MerkleTree.js for constructing merkle root and merkle proofs.
MerkleTree.js Solidity NFT Whitelist example Allow NFT minting only to whitelisted accounts by verifying merkle proof in Solidity contract. Merkle roo
A MERN Stack dapp the utilizes three solidity contracts
A MERN Stack dapp the utilizes three solidity contracts. It verifies user ownership of third party NFTs, generates an image incorporating a third party NFT image pulled from IPFS, mints a new NFT for users that includes an on-chain message and metadata to Opensea standards.
Ethereum smart contract gas cost waste pattern detection and patching tool
Ethereum smart contract gas cost waste pattern detection and patching tool
A comprehensive collection of useful tools developed with the help of Ethers.js to interact with the Ethereum Blockchain to develop great DeFi apps as quickly and easily as possible.
hudi-packages-ethersfactory How to install Installing with npm For more information on using npm check out the docs here. npm i @humandataincome/ether
Create a performant distributed context state by synergyzing atomar context pieces and composing reusable state logic.
Synergies Create a performant distributed context state by synergyzing atomar context pieces and composing reusable state logic. synergies is a tiny (
Compact library for interacting with Ankr Scan Multichain API.
ankrscan.js Compact SDK for interacting with Ankr Scan MultiChain JSON-RPC API. SDK supports following MultiChain methods: getLogs - logs matching the
Querying Solana Blockchain, leveraging Magic Eden Apis!
Solana Bot Deployment Instructions- Create a bot on discord dev portal learn basics here Copy the Bot Token and go to OAuth field for URL generation F
SmartBuilder: A Block-based Visual Programming Framework for Smart Contract Development
SmartBuilder A Block-based Visual Programming Framework for Smart Contract Development Technology stack used SmartBuilder Framework - Google Blockly A
Blockchain Critters for Fighting, Breeding, Gambling for the Degens
Gotchis-Den Blockchain Critters for Fighting, Breeding, Gambling for the Degens. What Is It An experiment to create a blockchain-based game using game
An indexer that aggregates and normalizes NFT related data on the Tezos Blockchain and provides a GraphQL API for developers.
TezTok Token Indexer An indexer that aggregates and normalizes NFT related data on the Tezos Blockchain and provides a GraphQL API for developers. Not
Smart selection with double clicks for VS Code.
Smart Clicks VS Code Smart selection with double clicks for VS Code. GIF Demo Usage Double clicks on the code. Rules bracket-pair Pair to inner conten
Context-aware smart contracts for blockchain IoT systems
Context-aware smart contracts for blockchain IoT systems It contains 2 directories: contracts: contains the ContextAwareSmartContract.sol contract wit
Open-source project inspired by the idea of "Long Distance Lamp"
Project inspired by the idea of Long Distance Lamp (e.g. Friendship Lamps) for people with no soldering skills.
Perpetual Protocol Curie (v2) core contracts
Perpetual Protocol Curie (v2) core contracts
Projeto desenvolvido no ignite - Baseado em DT Money
Projeto My Wallet - Baseado no Dt Money Projeto prático na trilha de React - Ignite Sobre Instalação Sobre Aplicação abrangendo diversos conceitos e f
Polkadot Basic Notifications
A dead-simple, yet highly effective notification system for Polkadot and its parachains (or, any substrate-based chain, most specifically).
Store your data in the world's fastest and most secure storage, powered by the blockchain technology⚡️
Store your data in the world's fastest and most secure storage, powered by the blockchain technology.
A full stack digital marketplace running on Ethereum, built with Polygon, Next.js, Tailwind, Solidity, Hardhat, Ethers.js, and IPFS
A full stack digital marketplace running on Ethereum, built with Polygon, Next.js, Tailwind, Solidity, Hardhat, Ethers.js, and IPFS
Smart contracts for governance. Contract allows to bond custom/LP UNI-v2 tokens and get voting power
Smart contracts for governance. Contract allows to bond custom/LP UNI-v2 tokens and get voting power
A 'to do list' powered by Ethereum smart contracts
A 'to do list' powered by Ethereum smart contracts. built with JavaScript, Ganache, Truffle, Node.js, Metamask, jQuery, and Bootstrap
Blockchain creation path to help beginners understand block creation concept
Blockchain creation path to help beginners understand block creation concept.
Heliaia - a proxy that sits between your wallet and a node🧑⚖️
Heliaia Heliaia is a proxy that sits between your wallet and a node, with the sole purpose to intercept transactions before they are broadcasted. Tran
Run CosmWasm smart contracts in Node.js and web browsers
Run CosmWasm smart contracts in Node.js and web browsers
Defi Kids is a place where families can go to teach kids about crypto
Defi Kids(Allocate) It is a platform to teach kids how to grow their allowance through the use of de-fi tools. It's designed for kids, managed by pare
🧬 Core smart contracts of Platypus Finance
Platypus Finance v1 Core Core smart contracts of Platypus Finance. Before getting started with this repo, please read: The Platypus docs The Platypus
Mintango - ERC-1155 NFT Minting Dapp
Mintango ERC-1155 NFT Minting Dapp Report Bug · Request Feature Table of Contents About Mintango Features Built With Getting Started Prerequisites Ins
Вlockchain feed index Google Colab
blockchain-feed-index Run Google Colab https://colab.research.google.com/drive/1OShIMVcFZ_khsUIBOIV1lzrqAGo1gfm_?usp=sharing Installation Install node
A simple implementation example (framework) of Deso Protocol's Smart Services.
This project serves as a simple implementation example (framework) of Deso Protocol's Smart Services. This framework comes with out-of-the-box SSL, MongoDB, dev/stage/prod environments, and modularity.
Blockchain for Justice
SecureX 🔐 SecureX is a blockchain-based evidence management system to prevent manipulation in Indian courts. This Decentralized Application can be us
Code in Solidity like a PRO with Egor Gavrilov. Check out YouTube channel ▶️
Code in Solidity like a PRO with Egor Gavrilov Check out YouTube channel youtube.com/EgorGavrilov Tutorials Perfect Solidity Stack It's easy to get st
n.code react application context library
ncode_react_lib Install yarn add @ncodedcode/ncode_react_lib index.tsx import React from "react"; // add this NCApplicationContext.createContext(new
Allocate is a place where families can go to learn about crypto.
Allocate It is a platform to teach kids how to grow their allowance through the use of de-fi tools. It's designed for kids, managed by parents. Descri
Ganache is an Ethereum simulator that makes developing Ethereum applications faster, easier, and safer
Ganache is an Ethereum simulator that makes developing Ethereum applications faster, easier, and safer. It includes all popular RPC functions and features (like events) and can be run deterministically to make development a breeze.
ACME client microservice for the Cumulocity IoT Edge to automatically issue and renew valid certificates via e.g. Let's Encrypt.
Cumulocity IoT Edge - ACME This repository contains the sources for an ACME microservice that can be used to periodically issue/renew certificates for