# Exchange Rate Canister

Our Price Feed Data is given by Dfinity's (e)xchange rate canister (xrc). Calls to borrow, redeem (if in any markets) and liquidate call the xrc. The principal of the canister is listed below.

```
uf6dk-hyaaa-aaaaq-qaaaq-cai
```

Extracted from from the following repos:

&#x20;\- <https://github.com/THLO/xrc_demo>&#x20;

&#x20;\- <https://github.com/dfinity/exchange-rate-canister>

The corresponding symbols to pass into the exchange rate canister below.&#x20;

<table><thead><tr><th width="121">Token</th><th width="311.33333333333326">Exchange Rate Canister Symbol</th><th>Asset Class</th></tr></thead><tbody><tr><td>XTC</td><td>CXDR</td><td>FiatCurrency</td></tr><tr><td>ICP</td><td>ICP</td><td>Cryptocurrency</td></tr><tr><td>CKBTC</td><td>BTC</td><td>Cryptocurrency</td></tr></tbody></table>

The candid notation of the two parameters&#x20;

```
type symbol = text;
```

```
type AssetClass = variant { Cryptocurrency; FiatCurrency; };
```


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