Decentralized exchange is a mechanism of buyers and sellers of crypto assets. These exchanges allow for the movement of liquidity into crypto assets (the more users, the more value flows into the ecosystem). Decentralized exchanges such as Uniswap and Trustswap. Without a central authority, the decentralized exchange becomes a valuable part of the ecosystem. Hosted on decentralized infrastructure, the decentralized exchange uses blockchain technology to secure transactions and verify authenticity. This provides more money into the market and allows for the free exchange of crypto assets without the need for barriers to entry. Having many records of transactions across different networks users of decentralized exchanges are guaranteed secure open trade. Decentralized exchanges have a code that defines the limit of transactions meaning no hidden costs. Both decentralized exchanges and centralized exchanges are needed to provide liquidity to crypto assets.