ERC-223 token standard reference implementation.

A curated list of ICO repositories that produced ERC20/ERC223 tokens

Ethereum Analytical Database - Ethereum data access solution that can be used for analytics and application development. The solution works on a fast DB - Clickhouse.

WeiPay is an open source cryptocurrency wallet available for both iOS and Android mobile devices. WeiPay will support Ethereum out of the box with added support for ERC-20 & ERC-223 tokens.

Awesome of Blockchain, ICO, ₿itcoin, Cryptocurrencies

Upgrade ERC20 -> ERC223

uKit AI 2.0 is a system that creates personalized landing pages for visitors.

Vyper Crowdsale Contracts Ported from Open Zeppelin Solidity

Ethereum Smart Contract - Proof of Work token

SmartRefer's ERC-223 Library. The world's first comprehensive collection of smart contracts and token protocols for the ERC-223 Standard.

Implementation of ERC223 token

ERC223 implementation using openzeppelin-solidity

Function Overloading & SafeTransfer Tests using Ethers.js v4

Hydrogen Blockchain Innovations | HHO Utility Token

Implementation of ERC223 token (TRON)

A wealth creation experiment to create a fairer, more inclusive global economy.

ERC721 is a non-fungible token standard on the Ethereum blockchain

This is a working repo of @EthereumCommonwealth audits. We performed more than 400 security audits since 2018. Not even a single contract was hacked after our auditors approved the code. Accepting audit requests here.