# Developers Resources

## How to obtain CRO:LCRO exchange rate?

* **Network**: Cronos
* **LCRO contract address**: `0x9fae23a2700feecd5b93e43fdbc03c76aa7c08a6`
* Call `getTotalPooledCro` and `totalSupply`, then divide the total pooled CRO by the total supply of LCRO amount to receive the CRO:LCRO exchange rate.
* ABI:

{% file src="/files/aKNCX8POMkEjzOniKXtu" %}

## How to obtain ATOM:LATOM exchange rate?

* **Network**: Cronos
* **LATOM contract address**: `0xac974ee7fc5d083112c809ccb3fce4a4f385750d`
* Call `getTotalPooledToken` and `totalSupply` , then divide the total pooled ATOM amount by the total supply of LATOM to receive the ATOM:LATOM exchange rate.
* ABI:

{% file src="/files/GtymvM62rg4t8KJYqh6c" %}

## How to obtain TIA:LTIA exchange rate?

* **Network:** Cronos
* **LTIA contract address:** `0x276e28664dec4982f892a5b836e11f23040b6995`
* Call `getTotalPooledToken` and `totalSupply`, then divide the total pooled TIA amount by the total supply of LTIA to receive the TIA:LTIA exchange rate.
* ABI:

{% file src="/files/CFpUrPS6E33n3nsmXfSQ" %}

## How to obtain ETH:LETH exchange rate?

* **Network**: zkSync Era
* **LETH contract address**: `0xE7895ed01a1a6AAcF1c2E955aF14E7cf612E7F9d`
* Call `getTotalPooledToken` and `totalSupply`, then divide the total pooled ETH amount by the total supply of LETH to receive the ETH:LETH exchange rate.
* ABI:

{% file src="/files/ZmaGSchREZgZafHcImnZ" %}


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