➡️Blockchain Overview

The blockchain is a decentralized ledger that can record transactions between two parties efficiently and in a verifiable and permanent way. It is a secure and reliable system that allows data transaction between all kinds of institutions or individuals with the absence of a central authority. Powered by techniques of cryptography, decentralized consensus, peer-to-peer network communication, blockchain prevents data from being tampered with or deleted. In promo marketing, utilizing blockchain technology allows users to make sure the information of a voucher or coupon cannot be modified or deleted once being published on the blockchain, enhancing the trust in the market system.