> For the complete documentation index, see [llms.txt](https://creditslink.gitbook.io/lightpaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://creditslink.gitbook.io/lightpaper/about-creditlink/core-modules.md).

# Core Modules

### On-chain Data Engine

Aggregates historical transaction data, asset composition, protocol interactions from Ethereum, Polygon, BNB Chain, Solana etc.

### AI Credit Scoring Model

Machine learning model generates multidimensional scores:

1. Asset Strength
2. Behavioral Credit
3. Risk Coefficient

### Credit based App

Supports a variety of credit-based apps to meet the data needs of retail investors and institutions