# Chain-Fi — 2FA Address system

> 2FA Address system (iPhone/iPad app by MBP Enterprises LTD.)

- Source: https://appshunter.io/ios/app/chain-fi/id6738323591 (this page in markdown: same URL + `.md`)
- Developer: [MBP Enterprises LTD](https://appshunter.io/developer/1757647426)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 31 MB
- Languages: American English
- Released: 2025-01-16
- Data updated: 2026-07-28
- User reviews in markdown: https://appshunter.io/ios/app/chain-fi/id6738323591/reviews.md

## What is Chain?

A two-factor authentication (2FA) app serves as an additional security layer, enhancing protection by requiring users to confirm operations through QR code scanning.


## Version history (last 5 releases)

### 1.6 — 2026-02-10

rebranding of the name chainguard to Chain-Fi

### 1.5 — 2026-02-09

A test mode for developers who tests, also small css updates

### 1.4 — 2025-12-16

Buttons fix and attestation generation fix

### 1.3 — 2025-12-14

Just an attestation hash added, rest is the same as before. Also small styling changes

### 1.2 — 2025-10-12

Just session management and small bugs fixes, and new version of expo. No new features. Change of the Privacy policies link as well.

## More apps by MBP Enterprises LTD

- [Smarteaming](https://appshunter.io/ios/app/smarteaming/id6547866031)

All apps by MBP Enterprises LTD: https://appshunter.io/developer/1757647426

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-28.*