# Integrating BTC-USD Price Feed for CBTC

This guide explains how to integrate the BTC-USD price feed for CBTC applications on the Canton Network.

## Overview

Accurate and reliable price data is essential for DeFi applications using CBTC. This guide covers how to access and integrate the BTC-USD price feed within your Canton applications.

CBTC also has a Chainlink Proof of Reserve (CL PoR) feed for on-chain reserve verification: <https://data.chain.link/streams/cbtc-por-nav-datalink>

## Price Feed Architecture

The BTC-USD price feed for CBTC is designed to provide real-time, tamper-resistant pricing data that can be consumed by smart contracts and applications on the Canton Network.

## Integration Steps

### Step 1: Access the Price Feed

Connect to the price feed endpoint to receive real-time BTC-USD pricing data.

### Step 2: Validate the Data

Always validate the freshness and integrity of price data before using it in critical operations.

### Step 3: Implement in Your Application

Use the price feed data in your Canton application for operations such as collateral valuation, liquidation thresholds, and trading.

## Best Practices

* Always check the timestamp of price data to ensure freshness
* Implement fallback mechanisms in case of feed disruptions
* Use multiple price sources for critical operations


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