> For the complete documentation index, see [llms.txt](https://prdt-finance.gitbook.io/prdt-finance-gitbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prdt-finance.gitbook.io/prdt-finance-gitbook/smart-contracts/classic-version-rules.md).

# Classic Version Rules

PRDT Classic works using the same balance system as PRDT Pro. \
With this new version we introduced lightning fast 5 min rounds on BTC, allowing you to open a position using USDT, USDC, POL, ETH, NIBI, SOL or even BNB!\
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**Networks: BSC, ETH, Polygon, Arbitrum, Base, Nibiru and Solana**\
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**Cryptocurrency markets:**

5min BTC:

* Dynamic multipliers and 5% entry fee.\
  \
  Min bet : 2.5 USD\
  Max bet : 250 USD