# Lium Documentation > Audience-first, agent-native docs for Lium GPU rental on Bittensor SN51. ## Introduction - [Welcome to Lium](https://docs.lium.io/intro.md): Lium is a decentralized GPU rental marketplace built on **Bittensor Subnet 51**. Providers contribute GPU resources to a global pool; renters access those resources on demand; validators keep everyone - [Official Support and Scam Prevention](https://docs.lium.io/security/official-support-and-scams.md): Scam and impersonation attempts against Lium users are becoming more common. This page explains how those scams usually work, what information you must never share, and the safest way to contact Lium - [Validators](https://docs.lium.io/validators/index.md): Lium runs a single validator on Bittensor Subnet 51, operated by the Lium team. ## Providers - [Providers](https://docs.lium.io/providers/index.md): Contribute GPU resources to the Lium network on Bittensor Subnet 51 and earn TAO rewards. As a provider, you operate a **self-hosted provider** (a lightweight CPU coordinator) that connects one or mor - [Provider Quickstart](https://docs.lium.io/providers/quickstart.md): Three steps to a live provider on Bittensor Subnet 51. Want to know how much you'll earn? See [Rewards](rewards/index.mdx). - [Architecture](https://docs.lium.io/providers/architecture.md): How the pieces of a Lium provider setup fit together. Read this once to build a mental model — then proceed to [Quickstart](./quickstart.md), [Self-hosted provider setup](./self-hosted-provider.md), o - [Provider Configuration](https://docs.lium.io/providers/provider-configuration.md): Choose how your provider is run — self-host it, or let Lium operate one for you. - [Self-Hosted Provider Setup](https://docs.lium.io/providers/self-hosted-provider.md): This page covers installing and operating the **self-hosted provider** — the lightweight CPU coordinator that connects your GPU nodes to the Lium network. Skip this entire page if you opted into the [ - [How providers earn on Subnet 51](https://docs.lium.io/providers/rewards/index.md): Two reward streams in alpha — rental fees to your coldkey daily, emission to your hotkey each tempo — the 30-second answer to "how much will I earn? - [Rental fees](https://docs.lium.io/providers/rewards/rental-fees.md): Your share of every USD a renter pays for your GPUs, paid daily in alpha. - [Subnet emission](https://docs.lium.io/providers/rewards/emission.md): How Bittensor's per-tempo emission flows into Subnet 51, and how the three-pool split (rented / unrented / burn) works. - [Rewards calculator](https://docs.lium.io/providers/rewards/calculator.md): Walkthrough of every input on the live rewards calculator, plus the formula it uses. - [Payouts](https://docs.lium.io/providers/rewards/payouts.md): Where your earnings land, in what currency, and on what schedule. - [Penalties](https://docs.lium.io/providers/rewards/penalties.md): What causes a rental-fee deduction, how much is withheld, and how to dispute it. - [FAQ](https://docs.lium.io/providers/rewards/faq.md): The most-asked questions from providers and prospective providers. - [Nodes](https://docs.lium.io/providers/nodes/index.md): A **node** is a GPU machine you connect to your provider so it can be rented out by Lium customers. A provider alone earns nothing — your score, emission, and rental revenue all come from the nodes yo - [Node Quickstart](https://docs.lium.io/providers/nodes/quickstart.md): Three commands and a portal click bring a GPU machine online as a Lium node. - [Sysbox](https://docs.lium.io/providers/nodes/sysbox.md): [Sysbox](https://github.com/nestybox/sysbox) is a container runtime that lets customers run Docker-in-Docker securely inside pods — without `--privileged` mode. Many workloads (custom image builds, CI - [Docker Storage Setup](https://docs.lium.io/providers/nodes/docker-storage.md): Lium expects every node's Docker daemon to use the **`overlay2`** storage driver backed by an **`xfs`** filesystem mounted with **`pquota`** and `ftype=1`. The [`lium`](https://github.com/Datura-ai/li - [GPU Splitting](https://docs.lium.io/providers/nodes/gpu-splitting.md): GPU splitting lets a single node serve multiple customers at once — each renting an integer subset of GPUs. It increases utilization and lets you price flexibly. - [Confidential Virtual Machine (CVM)](https://docs.lium.io/providers/nodes/cvm.md):