21.000.000 is an open community of developers, educators, and enthusiasts focused on Bitcoin and related technologies. Our goals are to:
- Create and maintain open source tools for the Bitcoin ecosystem
- Educate the Czech public about Bitcoin, its principles, and technologies
- Build robust and secure infrastructure for Bitcoin usage
- Promote financial literacy and self-sovereignty
- Bring together people interested in cryptocurrency freedom and privacy
Our name refers to the maximum number of Bitcoins that will ever exist (21 million), symbolizing one of Bitcoin's key properties - limited supply.
Here is an overview of our main projects:
21-000-000.github.io - (in progress)
Official organization website with information, educational materials, and Bitcoin news.
Curated list of Czech Bitcoin resources, services, merchants, and community projects.
List of global Bitcoin resources, tools, and projects.
Shared configuration files for developers working on our projects.
There are many ways you can get involved with our community:
- Code Contributions - Check out our open issues and review our contributor guidelines
- Testing - Help test our projects and report bugs or suggest improvements
- Documentation - Help improve documentation and educational materials
- Community - Participate in discussions and help other community members
- Awareness - Share our projects and ideas with others
To get started, we recommend:
- Reviewing our Code of Conduct
- Reading our Security Policy
- Joining our communication channels (see below)
- Code of Conduct - Our rules for community interactions
- Contribution Guidelines - How to contribute to our projects
- Pull Request Template - Format for creating pull requests
- Security Policy - How to report security issues
- Wiki - More detailed documentation and tutorials
Get involved with our community through these channels:
- GitHub Discussions - For technical discussions and questions
- Bitcoin whitepaper - The original document by Satoshi Nakamoto
- Our Beginner's Guide - How to start with Bitcoin safely
- Bitcoin Developer Course - Learn to develop Bitcoin applications
- Always use a hardware wallet for larger amounts
- Backup your seed phrases (mnemonic) offline and in multiple locations
- Never share your private keys
- Verify software before installing (signature verification)
- Use the test network (testnet) for experimentation
If you want to support our work, you can:
- Run your own Bitcoin full node to strengthen the network
- Get involved as a volunteer in our projects
- Spread awareness about Bitcoin and our projects