Communication hub based on the Matrix protocol presenting a secure, decentralized environment for real-time communication, enabling users to have full control over their data while enjoying unrestricted communication

Chums: Truly secure messenger with the focus on User Experience

It's a strong move into a carefully planned, user-focused digital future

Matrix protocol is an open standard that enables real-time, interoperable communication over IP. It offers true decentralization, E2E encryption and Federation

We’re on
a big journey

Restore freedom and privacy, and bring back the power of communication into users' hands again. We're building a secure space where user data is protected, open-source technology opens doors to effortless collaboration, and everything is smooth and user-friendly

Reliable technologies

Safe
space

Matrix, the cutting-edge and ultra-secure protocol, anchors Chums firmly

Matrix servers work
together smoothly

Architecture

Users can run their own servers and participate in the global Matrix network. This ensures data sovereignty and reduces single points of failure

End-to-end encryption

Curve25519, AES-256, HMAC-SHA256

Interoperability

Supports bridging with other platforms, allowing users from different systems to communicate seamlessly

Text, Voice, Video

Supports a wide range of communication types, including text, voice and video

Open-Source & Open Standard

Open standard with an open-source implementation. Encourages community participation and development

High Adoption

Growing steadily, especially in tech-savvy communities and organizations looking for a decentralized communication solution

Highly customizable & extensible

Highly customizable. Organizations can run their own servers, develop custom clients, and even extend the protocol

©2023 PT Dexpa Indonesia Development