Cointacted.com is a pioneering crypto social network, serving as the heart of a new era social blockchain ecosystem. It offers a unified account for synchronized access across multiple applications within the infrastructure, simplifying user experience. Similar projects like Crinet Presale and Coin World fairlaunch focus on building decentralized social networks for the crypto community, offering features like staking, unique utility, and identity verification. Cointacted aims to provide a streamlined experience within this growing landscape.