green money for
a digital world

We're building a blockchain based on proofs of space and time to make a cryptocurrency which is less wasteful, more decentralized, and more secure.

Learn more

A recent talk (starts about 20:00) with slides. An older talk with slides.
A very technical paper on proofs of space.

We plan to sell Chia to the public next year to allow everyone to invest in a better digital money.

Subscribe to the announcements list to learn more.

Get Chia


Join our Keybase group to participate in discussion.
  1. Install and setup Keybase
  2. Run this in your terminal:
    keybase team request-access chia_network.public

Join our announcements list to keep updated.


We're looking to hire several technically gifted programmers to work with our team of cryptographers on building our protocol. Must have strong algorithms skills. Cryptography experience is a plus but not required. Remote is okay but being in San Francisco is a plus. To apply please do several HackerRank challenges and send a link to your HackerRank profile plus your resume to

We're hiring an Assistant to the Founders (Executive Assistant/Office manager). Location is in San Francisco. To apply please send your resume to

Financial Institutions

Digital Money is being increasingly demanded by individual and institutional investors. Chia can help traditional financial institutions meet that demand.

Contact us to find out more.

About Us

Chia Network is a San Francisco-based company focused on improving crypto-currency infrastructure. Our CEO, Bram Cohen, famously invented BitTorrent: the first modern decentralized network protocol and one of the inspirations for the Bitcoin protocol. Our founding team has experience across the crypto-currency and finance sectors, coming from Tradehill, CryptoCorp and Lightning Labs.