A few hours ago Facebook and 27 other organizations including Paypal, Stripe, Visa, Mastercard, Kiva, A16Z, Union Square Ventures, Coinbase announced Libra, a cryptocurrency and smart contract platform.

Libra currently comes with an open source (Apache 2.0 License) test network implemented in Rust. The platform is planned to launch in the first half of 2020.

Here is a curated collection of links for further reading from around the web:

Whitepapers, Source Code, Developer Documentation

https://libra.org/en-US/white-paper/

https://github.com/libra/website/blob/master/docs/assets/papers/the-libra-blockchain.pdf

https://github.com/libra/libra

https://developers.libra.org/

Related Research

https://arxiv.org/abs/1803.05069

https://www.usenix.org/legacy/event/sec09/tech/full_papers/crosby.pdf

Commentary

https://medium.com/@lopp/thoughts-on-libra-blockchain-49b8f6c26372

https://info.binance.com/en/research/marketresearch/libra.html

https://twitter.com/davidmarcus/status/1140909513316302849

https://ftalphaville.ft.com/2019/06/18/1560848757000/What-exactly-is-Facebook-s-Libra-Reserve-/

https://decrypt.co/7502/facebook-libra-coin-cryptocurrency-launch-calibra

https://techcrunch.com/2019/06/18/facebook-libra/

https://orf.at/stories/3127218/