EOSIO Smart Contracts Collection
A collection of open source EOS Smart Contracts.
Smart contracts that provide some of the basic functions of the EOSIO blockchain.
Smart contracts that provide some of the basic functions of the Telos blockchain.
Elemental Battles Tutorial Lessons.
Advanced EOS Examples
A series of EOS contract development examples.
Building secure & reliable financial blockchain instruments.
Automated payments on an EOSIO.
Hypha Decentralized Organizations.
Vigor Stable Coin
Dapp Acccount Sample
This is a simple example of a subscriber contract which is using liquidApps services to achieve virtual account functionalities.
A simple forum and voting dapp for EOSIO blockchains.
Support for delayed transactions has been deprecated and we need a way to support protocol-level enforced delays https://github.com/eosdac/EOSIO.delay
EOS Stable Coin
EOS stable coin contract.
EOS Nun-Fungible Token
Non-Fungible Token (NFT) Proposal on EOS.
The Everipedia Network protocol.
Bancor Protocol Contracts for EOS.
Ricardian contract bond, claim, and arbitration management system.
A Tamagotchi and Battle Game for EOS Blockchain.
RPG game on the EOS blockchain.
EOS smart contract that allows you to lock EOS for a certain amount of time and then they will be automaticaly released to the receiver that you want including you.
Infiniverse is an augmented reality digital world running on the EOS blockchain.
EOS Bank (CPU rent contract).
Bank of Stake CE
A smart contract to enable CPU&NET leasing on EOS.
Defibox and more.
EOS Guardian is an EOS smart contract aiming to provide safer fund management with proper permission settings.
Signup EOS EOS
DApp for creating your own EOS account easily.
Token Dapp Pub
A Bancor based utility-enhanced token protocol.
Fair Dice Game
Open-sourced, rig-resistant and verifiably fair dice game.
Open source bocai game.
Roll the dice on the EOS blockchain.
Bet Death Causes
EOSBet attack analysis.
Cron jobs on EOS.
Simple decentralized exchange using EOS smart contract.
Smart contract for onchain decentralised exchange for EOSIO.tokens
A Telos/EOS vesting contract where tokens can be transfered to other accounts who can then only withdraw them after a specified amount of time has passed.
EOS RAMtoken smart contract.
The DelphiOracle contract acts as a multi-party source of truth, designed to provide the near-realtime price of the EOS/USD pair to other smart contracts or to external users.
This contract demostrates how an EOS contract can be made immutable in a given period of time, without losing mutability forever. Such a mechanism guarantees immutability when trustlessness is necessary, with code changes possible with prior notice to users. https://github.com/xJonathanLEI/eosyield
The first collaborative artwork on blockchain.
EOS smart contract for the cryptoship game.
King of EOS
Contracts for king of EOS game.
Proof of concept contract to require delayed transactions.
Contract to load many deferred transactions for performance testing.
Lock tokens as a security measure.
Prototype ecommerce contract for EOS.
The base EOSIO token contract used for eosdac based tokens.
The eosdac worker proposal contract.
The eosdac custodian election contract.
This contract will relay payments sent to it using a configurable time delay, by default it is 23 hours.
eosDAC multi-signature proposal contract management.
A blockchain platform for building algorithmic stablecoins.
EOS Contracts open sourced by EOSpace.
OWDIN-Port EOS Smart Contract ( Open World Decentric INternet ).
Pro Rating EOS
A dapp gives rating data provided by prochaintech.
A sample escrow contract responsible for managing share value and fund release based on project milestones, governed by the current share holders.
Simple EOS Management Application.
Tutorial on writing smart contracts on EOS.
Disaster Relief Supply & Distribution Blockchain.
Code examples showing how to use the Oraclize API on EOSIO.
Smart City on Steroids
Smart City On Steroids (Winner - EOS Global Hackathon Hong Kong 2018 - Greatest Social Impact).
Simple Blog DApp built with React for the EOSIO Blockchain.
Simple robot factory smart contract.
Poll system smart contract on EOS.
This code will assist in managing the distribution of your ICO. Whenever EOS is received, the token will be distributed proportionally inline with the setting configured.
Eosmore Voting and Moment
Sample EOS contracts for voting and storing a timestamp.
EOS Simple Pacman
Starting contract for EOS Spore mini game built for Blockchain Developer Philippines' EOS session.
Custom Token tracking smart contract for EOS.
Panda fun game.
EOS Tank Demo
Simple multiplayer game.
EOS Toll Gate Simulator.
Stake for Me
An EOS smart contract for solving deadlocked account issue.
Proof of Existence
EOS Proof of Existence.
EOSafe is an on-chain smart-contract based wallet which maximizes fund security and minimizes losses in the event of a hack.
An EOS contract for safe fund withdrawals with daily limits.
Patroneos smart contract.
EOSIO Token With Time Lock. Admin can transfer token to user anytime but user can transfer only when user have unlocked that token after 24 hour of first transfer between admin to user.
This is a framework for making decentralised Uber/Taxi services on the EOSIO platform.
EOSIO Smart Contract for 1st and 2nd auction models.
The Shine contract goal is to enable the implementation of a recognition system based on praise and votes. Person (i.e. account) broadcast a praise to all other members. Each member (i.e. account) can then vote for this particular praise.
EOS SC Security Best Practices
This document aims to provide some security guidelines for developers of EOS smart contracts and list analysis of some known contract vulnerabilities.
Smart Contract for Simple Gravatars.
Simple messenger using EOS network.
EOS smart contract to verify merkle proofs.
Ducatur oracles EOS smart contract.
EOS Contract Example
EOS contracts example. check out erase contract.
EOS Contract Test
EOS contract test simple framework on local chain instance.
Squeakr is a demo application designed to showcase the power of privEOS. It is basically a simple form of Twitter on the blockchain, but all tweets are private. Only approved followers can see the tweets. The app pays for any privEOS fees. The service is free for the users.
Allows to encrypt & decypt a message with an EOS key pair using AES shared key encryption mechanism.
Decryption is achieved by combining the receiver's private key and the sender's public key to create the private key necessary to decrypt the message.
Universal EOS escrow contract.
Contract to allow genesis account holders on EOS to reset a lost key.
KolobokGame EOS contract, example using SimpleAssets and SimpleMarket.
EOS API Directory
This is an EOS smart contract that holds a catalog of various infrastructure APIs, such as history or account status APIs. https://github.com/cc32d9/EOS.apidirectory
This is a simple contract that helps verifying that the watch script is monitoring the network and sending notifications. https://github.com/cc32d9/EOS.watchdoggiee
DApp for creating your own EOS account easily.
Decentralized EOS-backed stable coin.
On EOS, incoming transfers can have rules applied to them. Exchanges and accounts can enforce their memo fields to stop transfers that don't enter the correct details on memo for example.
Short examples of EOSIO smart contract development.
Light KYC Contract
Light KYC Identity Report - EOSIO Smart Contract .
Blocktivity EOSIO Stats
Blocktivity EOSIO Stats contract.
CEX Deposit - Handles incoming EOS token transfers to Centralized Exchange deposit account.
Nation EOS WPS
Split block producer vote rewards to multiple accounts on claim.
Expenses Smart Contracts
A contract for paying out expenses and salaries on chain.
Smart contract of the AtomicAssets standard.
Cambiatus EOSIO Smart Contracts.