> For the complete documentation index, see [llms.txt](https://juchain.gitbook.io/juchain-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://juchain.gitbook.io/juchain-docs/ecosystem/on-chain-ecosystem.md).

# On-Chain Ecosystem

### JuChain On-Chain Ecosystem Resource Table

JuChain’s on-chain ecosystem equips developers with a robust set of tools and resources to support testnet development, asset management, and application building. Below is an overview of core modules, their functions, and corresponding testnet links.

| **Module**         | **Description**                                   | **Link**                                                             |
| ------------------ | ------------------------------------------------- | -------------------------------------------------------------------- |
| Public Faucet      | Get testnet JU tokens for development and testing | [faucet-testnet.juchain.org](https://faucet-testnet.juchain.org)     |
| Cross-Chain Bridge | Transfer JU tokens across blockchains             | [bridge-testnet.juchain.org](https://bridge-testnet.juchain.org)     |
| DEX                | Decentralized exchange for JU token swaps         | [swap-testnet.juchain.org](https://swap-testnet.juchain.org)         |
| Block Explorer     | View testnet transactions, blocks, and contracts  | [explorer-testnet.juchain.org](https://explorer-testnet.juchain.org) |
| Official Website   | Mainnet info and ecosystem overview               | [juchain.org](https://juchain.org)                                   |
| Testnet Website    | Entry point for testnet docs and resources        | [testnet.juchain.org](https://testnet.juchain.org)                   |

***