> For the complete documentation index, see [llms.txt](https://docs.wanchain.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wanchain.org/products/wanbridge/xp.md).

# XP

Wanchain’s XP is a non-transferable reputation system that tracks and measures user participation throughout the Wanchain ecosystem. XP is earned automatically whenever a user completes a cross-chain transaction using one of Wanchain’s cross-chain products, such as [WanBridge](/products/wanbridge.md) and [XFlows](/products/xflows.md). 

XP is earned with each cross-chain transactions, based on the following formula:

* 100 XP per cross-chain transaction
* 1 XP for every $1 value transferred
* 100 XP for every $1 value of [bridge fees](/the-convert-n-burn-system/bridge-fees.md) paid

XP cannot be sold or moved between wallets. XP can be used to claim [Bridge-to-Earn](/products/wanbridge/bridge-to-earn.md) tasks and earn rewards. Other use cases are in development.


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