The Cosmoshub Multisig App is an open-source application designed to facilitate the creation, signing, and broadcasting of multisignature transactions across any Stargate-enabled blockchain. Leveraging technologies such as CosmJS, Next.js, Dgraph, and Vercel, the app offers robust multisig capabilities, optimally supported by Vercel’s serverless functions for seamless deployment. Users can set up their own instance by cloning the project, configuring necessary environment variables through Vercel, and initializing a Dgraph backend to store critical account, transaction, and signature data securely. The app provides the flexibility of both hosted and local operation, with detailed guidance available to ensure successful deployment and integration with Cosmos SDK Simapp instances, tailored to replicate the cosmoshub-4 denomination (uatom).