> For the complete documentation index, see [llms.txt](https://whitepaper.litho.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.litho.ai/makalu/packages/docs/locked-account-generation-scheme/advantages/one-time-account-system.md).

# One-Time Account System

The one-time account method is particularly essential as a basis for anonymity. Each user has a single primary account as well as several sub-accounts. So, if someone wishes to remain anonymous in a smart contract token transaction, they must create a related account and a one-time primary account in addition to their original one.