> For the complete documentation index, see [llms.txt](https://blockstreet.gitbook.io/blockstreet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blockstreet.gitbook.io/blockstreet/block-street-tech/07.-system-architecture.md).

# 07. System Architecture

The BLOCKSTREET system architecture consists of 1) the BLOCKSTREET Service layer (front), 2) blockchain layer, 3) data layer, 4) API layer, and 5) blockchain infrastructure layer. Each layer supports structured APIs of data generated by the system, and provides data integrity and verification pipelines.

<figure><img src="https://783174659-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcmObpUqTbKspQwcZJfWg%2Fuploads%2Ft0VnrxkFwYoKDwR5cZgC%2F%EA%B7%B8%EB%A6%BC21.png?alt=media&amp;token=7e1d9e70-c65c-499c-bc82-3755d3c94031" alt=""><figcaption></figcaption></figure>