# Public Index Network

## Public Index Network

- [Welcome to PIN](https://docs.publicindex.network/master.md): The blockchain host of the Open Index Protocol ("OIP") and other application-layer software.
- [Design Philosophy](https://docs.publicindex.network/about-pin/design-philosophy.md): What makes PIN special?
- [Features](https://docs.publicindex.network/about-pin/features.md): The nuts and bolts
- [History](https://docs.publicindex.network/about-pin/history.md): PIN is one of the oldest cryptocurrencies
- [Timeline](https://docs.publicindex.network/about-pin/history/timeline.md): In March 2021 the FLO Blockchain was rebranded to the Public Index Network - PIN
- [Applications and Projects](https://docs.publicindex.network/about-pin/applications-and-projects.md): Check out who is building on PIN!
- [Streambed Media](https://docs.publicindex.network/about-pin/applications-and-projects/streambed-media.md)
- [Alexandria](https://docs.publicindex.network/about-pin/applications-and-projects/alexandria.md)
- [Medici Land](https://docs.publicindex.network/about-pin/applications-and-projects/medici-land.md)
- [FLOCard](https://docs.publicindex.network/about-pin/applications-and-projects/ranchimall.md)
- [RanchiMall](https://docs.publicindex.network/about-pin/applications-and-projects/ranchimall-2.md)
- [Flotorizer](https://docs.publicindex.network/about-pin/applications-and-projects/flotorizer.md)
- [Shared Secret](https://docs.publicindex.network/about-pin/applications-and-projects/shared-secret.md)
- [Caltech ETDB](https://docs.publicindex.network/about-pin/applications-and-projects/caltech-etdb.md)
- [The PIN Team](https://docs.publicindex.network/about-pin/the-pin-team.md): Meet the PIN Team.
- [Exchanges](https://docs.publicindex.network/for-users/exchanges.md): Exchanges, DEXS
- [Mining](https://docs.publicindex.network/for-users/mining.md)
- [Wallets](https://docs.publicindex.network/for-users/wallets.md): There is a variety of Desktop, web, and app-based wallets available for PIN
- [Block Explorers](https://docs.publicindex.network/for-users/block-explorers.md)
- [Upgrade FLO to PIN](https://docs.publicindex.network/for-users/upgrade-flo-to-pin.md): The proof-of-work currency FLO can be upgraded to PIN
- [PIN on Github](https://docs.publicindex.network/for-developers/pin-on-github.md)
- [What is OIP?](https://docs.publicindex.network/open-index-protocol/what-is-oip.md)
- [OIP on Github](https://docs.publicindex.network/open-index-protocol/oip-on-github.md)
- [PIN Community & Social Media](https://docs.publicindex.network/contact-and-media/pin-community.md): Learn more about PIN, engage with the team and others in the community!
- [Contribute to PIN](https://docs.publicindex.network/contact-and-media/contribute-to-pin.md)