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

# How RACE™ Chain Works

## Transaction Submission

This system depends on two different kinds of transactions: L2 transactions, which take place between two addresses on the L2 chain, and cross-chain transactions, which happen between the L1 and L2 chains. The L2 transaction process is explained in a little more detail in the workflow that follows than in the basic workflow.