Known as IDO (initial dex offering) it is a common concept in DeFi. It is basically a token offering made on a decentralized exchange. A new form of fundraising in which the launch of a cryptocurrency is offering a liquidity exchange. On this asset exchange, traders can trade tokens as cryptocurrencies or stablecoins. The IDO, are an evolution of fundraising models such as the ICO launches, or Security STO token offerings. This method is designed to offer immediate liquidity to owners of a new coin. IDOS are known as an efficient way to launch new cryptocurrency projects. The IDO launch means that the project is being released through a decentralized exchange. Despite the fact that this token launch scheme has been around for quite some time, the operational evolution of the IDOs has gradually adapted to the regulations that make it an effective launch mechanism. The IDO emerged as one of the alternatives to ICOs that allow greater certainty in the launch of a new cryptocurrency. Starting in 2017, the ICO rush represented significant losses and scams for serious investors, who recorded heavy losses. IDOs use a decentralized exchange method that facilitates the sale of tokens, that is, the cryptocurrency project provides its tokens to the DEX, through which users invest. That is, an investment that is not made directly to the token. The DEX then completes the distribution. These processes are carried out through smart contracts. The regulations and stages of an IDO depend on the DEX that executes it, but there are 4 usual methods. Through a selection process where a project is accepted to carry out an IDO. From a white list of investors who have to support the marketing of a coin. With the division of funds raised where a part is used to create a liquidity fund, and another part is provided to the team. By transferring the tokens to users, and opening the LP for trading. The Initial Dex Offering is one of the most popular token launching methods , and that implies several advantages and some points to consider.