# Platform Docs

- [Borrow](https://docs.libre.org/libre-docs/platform-docs/borrow.md): Learn how to borrow against your Bitcoin collateral on Libre's decentralized lending platform.
- [Lend](https://docs.libre.org/libre-docs/platform-docs/lend.md): Learn how to earn predictable yield by providing USDT liquidity on Libre's decentralized lending platform.
- [How to Transfer USDT to Libre](https://docs.libre.org/libre-docs/platform-docs/how-to-peg-in.md)
- [Run A Libre Node](https://docs.libre.org/libre-docs/platform-docs/run-a-libre-node.md): Anyone can run a node to validate Libre data and submit API transactions, it's as easy as 1,2,3...
- [Validators](https://docs.libre.org/libre-docs/platform-docs/validators.md): Libre Chain validator node information.
- [Building on Libre](https://docs.libre.org/libre-docs/platform-docs/building-on-libre.md): Libre  is the best place to build smart contracts that interact with Bitcoin, Stablecoins, and even Bitcoin Lightning.
- [Building Smart Contracts](https://docs.libre.org/libre-docs/platform-docs/building-on-libre/building-smart-contracts-on-libre.md)
- [Developer Tools](https://docs.libre.org/libre-docs/platform-docs/building-on-libre/libre-developer-tools.md): Libre chain has lots of dev resources and a supportive community of developers on Discord.
- [Testnet](https://docs.libre.org/libre-docs/platform-docs/building-on-libre/libre-testnet.md): Libre has an active testnet with a faucet and replications of many apps and smart contracts.
- [API Docs](https://docs.libre.org/libre-docs/platform-docs/building-on-libre/api-docs.md): Libre Public API servers are provided by validators and apps.


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