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BloxBean

BloxBean is a collective of open-source projects focused on the Cardano blockchain ecosystem, building developer tools and frameworks such as Java libraries, local devnets, and indexers. They also offer professional consulting and development services, serving developers and teams building blockchain applications and smart contracts on Cardano.
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Description

BloxBean is a collective of open-source projects dedicated to advancing blockchain development through innovative developer tools and frameworks, with a focus on the Cardano ecosystem. Their flagship products include Cardano Client Lib (a Java library for interacting with the Cardano blockchain), Yaci DevKit (a local devnet and testing environment), Yaci (a Java implementation of Cardano Mini Protocols), and Yaci Store (a modular framework for building custom Cardano indexers). Beyond open-source tooling, BloxBean provides professional services including blockchain architecture and design consulting, DApp backend development, custom tools and libraries, and end-to-end smart contract development. Their clients and users are primarily developers and organizations building decentralized applications, indexers, and smart contracts on Cardano, particularly those with Java development backgrounds seeking production-ready, well-documented tooling.