The OLXA project provides innovative products and services based on blockchain technology. These excellent products and services include but are not limited to: wallets, Visa cards, redemption vouchers, letters of credit, Crypto electronic stores, and OLXA online advertising. OLXA coin is based on Ethereum blockchain smart contracts and adopts POW/POS fusion proof to showcase real-life applications for global OLXA users, making it one of the simplest methods for secure transactions with small or large enterprises. OLXA coins can be used to purchase and sell products and services online, and are applied in various fields such as electronic engineering, e-commerce, supply chain, and educational technology....