# How does Dfyn achieve gasless transactions?

Our partnership with [Biconomy](https://biconomy.io/) and integration of meta-transactions ensures that all transactions on the Dfyn network remain gasless for the Polygon network. 

**Step 1:** User’s metamask is triggered for signature when performing a transaction on the Dfyn exchange.  

**Step 2:** The signed data is relayed to Biconomy’s relayers.

![Biconomy meta-transactions flow](/files/-M_GosxxmdXG6l-MvTyV)

**Step 3:** Biconomy’s relayers pay the gas fees and forward the transaction with user’s signed data to the Dfyn contracts.

**Step 4:** DFYN contracts decodes user information from signed data and updates the chain state.

{% hint style="success" %}
To avoid bottlenecks, multiple Biconomy relayers work in parallel to relay different transactions.
{% endhint %}

{% hint style="success" %}
To ensure that no malicious transaction takes place, only the relayers registered with Biconomy are permitted to participate in this process.
{% endhint %}


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