> For the complete documentation index, see [llms.txt](https://sayve-protocol.gitbook.io/sayve-litepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sayve-protocol.gitbook.io/sayve-litepaper/tokenomics/token-usage/usdlingo-payment.md).

# $LINGO Payment

$LINGO serves as the in-game currency token for the L2E games. Users will need $LINGO to **level up** their characters, **purchase upgradable equipment**, and **re-energize their characters**, among many other uses in the in-game ecosystem.