Technical Specification

Overview

• UBI Verification SDK is a lightweight, modular Node.js library for verifying W3C Verifiable Credentials (VCs).

• Built on Fastify, supporting both online (API-based) and offline (local) verification workflows.

Tech Stack

• Node.js – Runtime environment.

• Fastify – Web framework for building APIs.

• axios – HTTP client for interacting with external APIs.

• @fastify/swagger – Generates Swagger/OpenAPI documentation.

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