> For the complete documentation index, see [llms.txt](https://docs.that.global/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.that.global/whitepaper/archive-products.md).

# Archive Products

- [THAT App (Digital Wallet)](https://docs.that.global/whitepaper/archive-products/that-app-digital-wallet.md): This section provides an overview of the THAT app, a non-custodial mobile wallet that allows users to hold, view and transact supported digital assets, including THAT, on public blockchains.
- [Technical Overview and Transaction Flow](https://docs.that.global/whitepaper/archive-products/that-app-digital-wallet/technical-overview-and-transaction-flow.md): This section provides a high-level overview of how the THAT app interacts with public blockchains and other services, and how transactions are prepared and broadcast.
- [The Merchant Directory](https://docs.that.global/whitepaper/archive-products/that-app-digital-wallet/the-merchant-directory.md)
- [THAT Blockchain](https://docs.that.global/whitepaper/archive-products/that-blockchain.md): This section covers the technical foundations of the THAT blockchain, including its infrastructure, consensus protocols, security measures, and interoperability features.
- [THAT NFTs](https://docs.that.global/whitepaper/archive-products/that-nfts.md)