# ar.io > ar.io is an open protocol and gateway network that caches, indexes, verifies, and serves permanent data stored on Arweave. ## About - [About ar.io](https://ar.io/about/): What the network does, how it differs, who uses it, who stands behind it, key facts, and FAQ. - Steward: AR.IO Foundation. - Original developer: Permanent Data Solutions. - Gateways are run by independent operators. Anyone can run the open-source gateway node. ## What the network does - Gateways: cache, index, verify, and serve permanent data. - ArNS: human-readable names for permanent data, sites, and apps. - Verification: gateway responses can be checked against their cryptographic record on Arweave. - ARIO token: used for ArNS purchases, gateway staking, delegated staking, and gateway rewards. - Wayfinder: client libraries that choose a gateway and verify what it returns. ## Documentation - Docs: https://docs.ar.io - GitHub: https://github.com/ar-io - Brand kit (human): https://ar.io/brand-kit - Brand kit (machine): https://ar.io/brand-kit/agents.json ## Community - X: https://x.com/ar_io_network - Discord: https://discord.com/invite/HGG52EtTc2 - LinkedIn: https://www.linkedin.com/company/ar-io-network/