# 00 - Digital Public Infrastructure: Architecture & Building Blocks

Digital Public Infrastructure architecture: building blocks, digital identity, payments and data exchange.

## What you'll learn

- How DPI Differs from Traditional e-Government
- 1. Digital Identity
- 2. Digital Payments
- 3. Data Exchange
- Aadhaar: Biometric Identity at National Scale

*This article is part of the **GovTech** series on federicocalo.dev.*

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## Read the full article

The complete article (25 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [00 - Digital Public Infrastructure: Architecture & Building Blocks](https://federicocalo.dev/en/blog/digital-public-infrastructure-architecture-building-blocks)**

`https://federicocalo.dev/en/blog/digital-public-infrastructure-architecture-building-blocks`

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*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*