ccoinjoin.com

What It Is

Collaborative CoinJoin is a collaborative CoinJoin framework for BCH wallet software. Its core goal is to let multiple wallet users jointly construct CoinJoin transactions, combining multiple small, information-rich UTXOs into UTXOs that reveal less information, thereby reducing privacy leakage caused by address correlation. The site emphasizes that the framework breaks a CoinJoin wallet into five design components, making it easier for developers to implement and integrate them separately.

Core Capabilities and Tech Stack

Based on the captured content, the project is mainly aimed at JavaScript developers and requires Node.js 16.14 or later. There is currently no GUI, and usage is primarily command-line based: developers need to clone hd-cli-wallet to create a wallet, generate addresses, and split UTXOs, then clone colab-coinjoin-api to start the API Server. The API Server runs an IPFS node to discover other wallet users who want to participate in CoinJoin. The project is built on Cash Stack and combines blockchain and IPFS technologies, with a design that emphasizes avoiding single points of failure.

Pricing and Open-Source Status

The main content does not disclose commercial pricing, paid plans, or a hosted service model, so it is not possible to determine whether a paid version exists. The page provides GitHub and git clone installation commands, indicating that the code is publicly accessible. However, the license type is not explicitly stated in the main text, so it can only be assessed as having publicly available code; the exact boundaries of its open-source licensing cannot be further confirmed.

Pros and Cons

Its main strength is a very clear focus: enhancing privacy for BCH wallets, with a runnable Quick Start that helps developers quickly set up a demo environment. Its component-based framework design and use of IPFS to discover collaborators also make it useful for experimenting with decentralized collaboration models. The drawbacks are equally clear: the project is still under development, has no graphical interface, and has a relatively high barrier to entry. The documentation mainly covers installation and demo workflows, while lacking complete API documentation, production deployment guidance, a security model, exception handling, and service support details.

Who It’s For and Access from China

It is better suited to BCH wallet developers, privacy transaction researchers, and blockchain engineers familiar with Node.js, especially for prototyping or evaluating wallet integration. It is not suitable for ordinary users to use directly. The main content does not provide information about access from China. In actual use, the domain, GitHub, IPFS, and the BCH network may be affected by local network conditions, but availability cannot be determined from this alone, so it should be marked as unknown. Comparable alternatives include Wasabi Wallet, JoinMarket, Samourai Whirlpool, or CashFusion in the BCH ecosystem.