# Debit Card Integration

### Overview

Tychi Wallet’s **debit card** feature enables users to convert on-chain digital assets into fiat currencies for seamless **real-world spending**. As a premium utility, this integration allows subscribed users to link their wallet balances with a **digital or physical debit card**, usable across both online and offline merchants.

***

### 🔄 Core Functionality

* The card is tightly integrated with Tychi’s wallet logic.
* Users can **swap supported tokens** (e.g., TYI, BNB, USDT) into fiat in real time.
* Fiat equivalents are made instantly available on the card.
* Users may select a preferred token for conversion (USD, EUR, GBP, etc.).

***

### ⚙️ System Architecture

**Real-Time Token Conversion**

* Instant swaps at current market rates
* Powered by Tychi’s integrated liquidity sources
* Ensures **minimal slippage** and **fast settlement**

**Card Usage & Control**

* Full card management via Tychi Wallet
* Issue virtual or physical cards
* View history, set spending limits, freeze/unfreeze access

**Security Infrastructure**

* Multi-factor authentication for sensitive actions
* Transaction monitoring for fraud prevention
* Customizable user-level security controls

***

### 🔐 Subscription Access

Access to the debit card is **exclusive to active subscribers**. Subscription tiers unlock additional benefits such as:

* Reduced or waived transaction fees
* Cashback or loyalty rewards
* Higher spending limits and advanced controls
