> For the complete documentation index, see [llms.txt](https://timechain.gitbook.io/neucron-javascript-sdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://timechain.gitbook.io/neucron-javascript-sdk/tokenization-and-proofs.md).

# Tokenization & Proofs

This section groups related SDK modules so builders do not have to navigate one giant Features bucket.

| Page                    | SDK accessor        | What it covers                                                                                                                                                        |
| ----------------------- | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Asset21 Security Tokens | `sdk.asset21`       | Operate Asset21 regulated token workflows: configuration, customers, asset registration/deployment, requests, transfers, UTXO/output inspection, sync, and analytics. |
| Data Integrity          | `sdk.dataIntegrity` | Upload files, text, or text arrays for proof-of-existence/data-integrity flows.                                                                                       |
| Blob Storage            | `sdk.blob`          | Upload documents and images for app, invoice, bill, or compliance workflows.                                                                                          |