Online marketing has emerged as the backbone of contemporary marketing by which businesses can reach masses from all over the world in an effortless manner. The sector is afflicted with some serious issues including fraud, transparency, and privacy. Blockchain has emerged as a powerful solution to the problems with security, transparency, and the enhancement of efficiency. With blockchain technology used in online advertising, companies can optimize ad spending, authenticate content, and provide a secure platform for advertisers, consumers, and publishers.

Learning Blockchain TechnologyLearning Blockchain TechnologyBlockchain is an open public electronic record book that authenticates and makes transactions transparent. A transaction is entered into a block and is linked with the other ones, and it's a chain that is irreversible after execution. Blockchain takes its inception from cryptocurrency but nowadays is being used in all the industries like digital advertisement since it can authenticate the transactions in a middleman-less scenario. The decentralized network of Blockchain shuts the doors for fraud and tampering and therefore there is a better and efficient method of advertisement.