Alkimi Exchange is a pioneering decentralized advertising platform built on a Direct Acyclic Graph and operates using an ERC20 token. It leverages OpenRTB standards for programmatic advertising, enabling real-time media exchange auctions on-chain through its innovative hosted state channel, AlEx. This positions Alkimi as the world's first decentralized advertising exchange. The primary goal of Alkimi is to revolutionize the advertising industry by offering a programmatic exchange that significantly lowers costs and enhances fraud prevention for all participants. By utilizing a distributed network of nodes, Alkimi aims to provide a more efficient advertising solution in a market valued at $500 billion in 2022. One of the standout features of Alkimi is its remarkable cost efficiency, being ten times cheaper than traditional advertising platforms. This affordability does not come at the expense of performance; transactions on the Alkimi network are completed in just 1/100th of a second, ensuring rapid reconciliation for all users involved. With a focus on speed, security, and cost-effectiveness, Alkimi Exchange is set to transform how advertising transactions are conducted, making it a viable alternative to conventional methods. Its unique approach aims to create a more transparent and accessible ecosystem for advertisers and publishers alike.