Push is a web3 communication protocol that provides decentralized notifications, messaging, and more for apps, wallets, and services. It supports cross-chain notifications, enabling seamless communication across various blockchain networks. The platform includes features like Push Chat for decentralized messaging, Push Video for wallet-to-wallet video calls, and Push Spaces for audio streaming. Push ensures user privacy and security with anti-spam measures and end-to-end encryption. It aims to enhance user engagement and experience in the decentralized web ecosystem.