- Sources » History » Revision 4
Revision 3 (Calvin Hutcheon, 10/19/2021 07:30 PM) → Revision 4/5 (Calvin Hutcheon, 10/25/2021 06:21 PM)
# Sources
This is a space to share sources and technical documents.
**The following sources are archived from our email thread:**
- [Buddhist Economics](https://web.archive.org/web/20121213145110/http://neweconomicsinstitute.org/buddhist-economics)
- [Grameen Bank](https://www.nobelprize.org/prizes/peace/2006/grameen/facts/)
- [XRPL Federated Side chain grant](https://xrplgrants.org/)
- [M-Pesa](https://en.wikipedia.org/wiki/M-Pesa)
- [Towards an agrarian question of circulation](https://booksc.org/book/80936931/82884c)
- [019 XLS-19d Wallet based Proof of Digital Asset Property and Rights (NFT)](https://github.com/XRPLF/XRPL-Standards/discussions/40)
- [Antimatter Overview](https://docs.antimatter.finance/introduction/antimatter-overview)
- [Antimatter Options Trading](https://test.antimatter.finance/#/option_trading)
- [Excerpt from "The Power of Money(2019)"](https://drive.google.com/file/d/1j9yo521TIEGS1OTdeMNt8YfaYwcybX0m/view)
- [DAO operating on a hybrid structure ](https://twitter.com/PonderJaunt/status/1382765246230654982?s=20)
- [CarbonLand Trust](https://carbonlandtrust.com)
- [Bhutan Advances Financial Inclusion and Sustainability with Ripple’s CBDC Solution](https://ripple.com/insights/bhutan-advances-financial-inclusion-and-sustainability-with-ripples-cbdc-solution/)
- [Ripple and Nelnet launch $44M fund for carbon-negative crypto industry](https://cointelegraph.com/news/ripple-and-nelnet-launches-44m-fund-for-carbon-negative-crypto-industry)
- [Ripple UBRI](https://ubri.ripple.com/)
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