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Keep Bitcoin Free!

Working together to keep Bitcoin decentralized.

About

Keep Bitcoin Free is a new effort to promote and develop core technologies to allow Bitcoin to grow and develop while maintaining the decentralization that makes Bitcoin unlike any currency before it.

Here are the two big issues Bitcoin faces that we can solve with technology, and the technologies we want to develop:

Scalability and Decentralization

This is what Bitcoin looks like right now: tens of thousands of equal participants, all collaborating together to maintain a truly decentralized currency. When Bitcoin works well no one person, or even a small group of people, control the Bitcoin system. But if we make it only possible to participate in the Bitcoin network with expensive data-centers that are not anonymous, we'll end up with a network that looks more like this:

The blocksize is a tradeoff, but we don't have to sacrifice decentralization and the security of your Bitcoin savings. We can keep the load on the core network low enough so everyone can participate, and participate anonymously if they so choose with technology:

Will the blocksize always be 1MB?

Forever? Probably not, but we don't know yet when it will be safe to do so and won't for many more years. What we do know is it needs to be easy to run a node anonymously and mine anonymously, and for miners that means reliably transferring 1MB of data in ten to twenty seconds. Tor can almost do that reliably, but we have no idea yet if Tor will get better in the future, or even worse due to attacks. Also, Tor isn't the only anonymous data transfer mechanism - there exist even more secure ones, radio links, steganography and many many more mechanisms. Small blocks give us flexibility to resist attack, and the ability to tell regulators that they can't stop Bitcoin's core network even if they tried.

Privacy

Bitcoins by themselves don't have names attached, but every transaction made on the blockchain is still completely public. As shown above, you can use that information to figure out where coins came from, commonly known as "taint" analysis, but eventually the analysis is usually obscured into a muddled grey. Usually.

However if you accidentally reveal any of your addresses, perhaps due to a virus, or because you relied on a third-party to access the blockchain, every coin you've spent can be traced back to you:

Who we are

Peter Todd created Keep Bitcoin Free as part of his project to create a video explaining the blocksize problem. Financial support for that project has come from individual Bitcoin users, including John Dillon and others.

How can I help?

Subscribe to the mailing list to hear more, and let us know where you want to see the project go.

Donations are accepted:

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Donations to the Keep Bitcoin Free project are accepted at Peter Todd's
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But this isn't a foundation - we'd rather you donate your time by making our goals happen. If you can program, write software, if you can do web design, we could use help, if you can write, talk about the issues.