BlockStar Cypher is a next-generation decentralized messaging platform featuring end-to-end encryption with wallet-derived keys. Own your identity with NFT usernames and communicate securely across all your devices.
Experience messaging reimagined for the Web3 era with privacy, security, and decentralization at its core.
Every message is encrypted using ECDH key exchange. Only you and your recipient can read your messages.
Your BlockStar @name NFT is your unique, portable identity. Own your username as a digital asset.
Built on BlockStar Chain with support for Ethereum, Polygon, and more. True decentralization.
Create group chats with multiple participants. Share messages, files, and voice notes.
Crystal-clear peer-to-peer voice and video calls powered by WebRTC for better privacy.
Share images, videos, documents, and voice messages. All files are securely transmitted.
At BlockStar LLC, we believe that privacy is a fundamental human right. In an era of increasing surveillance and data breaches, we're building tools that put control back in the hands of users.
BlockStar Cypher was created to provide a messaging platform where your conversations remain truly private. By leveraging blockchain technology and end-to-end encryption, we've built a system where not even we can access your messages.
Our vision extends beyond just messaging. We're building an ecosystem where your digital identity is owned by you – represented by your @name NFT – and your communications are secured by cryptography rather than corporate promises.
BlockStar Cypher is built on cutting-edge technology designed for security, privacy, and performance:
BlockStar Cypher is designed to work seamlessly across multiple blockchain networks:
Connect with your favorite Web3 wallet:
BlockStar LLC is a technology company focused on building decentralized applications that prioritize user privacy and security. Founded with the mission of making Web3 accessible to everyone, we're creating tools that bridge the gap between traditional technology and the decentralized future.
Our team consists of experienced developers, cryptographers, and blockchain enthusiasts who share a common vision: a world where users own their data, control their identity, and communicate without surveillance.
BlockStar Cypher is our flagship product, but it's just the beginning. We're building an entire ecosystem of decentralized tools designed to empower users in the Web3 era.
We'd love to hear from you! Whether you have questions, feedback, or partnership inquiries: