# Fees

### Let's Start

Web3 mainly works based on the PAYGO (i.e. pay-as-you-go) transaction model, meaning the user has to pay for every data-sharing transaction. To make on-chain communication more viable, work is being done that will parallel to PAYGO also enable subscription-based models, so the users can pay a monthly subscription fee to access block space and share data without the hurdle of paying for every transaction.

### Fees within the Protocol

Parallel to the underlying L1/L2 transaction gas cost, the service fees (i.e. protocol fees) are also settled on the smart contract level and are applicable for data file transfer transactions. Total user cost equals the sum of the L1/L2 transaction gas and service fees and the cost of decentralized storage. Both, the gas and service fees converge and manifest as one end-user communication transaction fee. Fees are handled by the \[AppFeeManager] smart contract. 

### Fee Table

{% tabs %}
{% tab title="Blockchain Fees" %}

<table><thead><tr><th width="278.66666666666663">Smart Contract Methods</th><th>Gas Limit</th><th>*Estimated Price in FTM</th><th>*Estimated Price in ROSE</th></tr></thead><tbody><tr><td><code>[Mail]</code> Send Data file Package</td><td>610000</td><td>≈ 0.025 FTM</td><td>≈ 0.061 ROSE</td></tr><tr><td><code>[PX]</code> Mint free package or new storage</td><td>3800000</td><td>≈ 0.15 FTM</td><td>≈ 0.38 ROSE</td></tr><tr><td><code>[PX]</code> Mint Bandwidth</td><td>860000</td><td>≈ 0.03 FTM</td><td>≈ 0.086 ROSE</td></tr><tr><td><code>[PX]</code> Upgrade Package</td><td>1240000</td><td>≈ 0.05 FTM</td><td>≈ 0.12 ROSE</td></tr></tbody></table>
{% endtab %}

{% tab title="Service Fees" %}

| dApp         | Smart Contract | Base Fee                 | dApp Fee                 | Total                          | Bandwidth |
| ------------ | -------------- | ------------------------ | ------------------------ | ------------------------------ | --------- |
| W3XShare App | `[Mail]`       | \~0.0075$ FTM, ROSE... ≡ | \~0.0925$ FTM, ROSE... ≡ | \~**0.1$** ETH, FTM, ROSE... ≡ | 2         |
| {% endtab %} |                |                          |                          |                                |           |

{% tab title="PX sNFT Price" %}

<table><thead><tr><th>Size</th><th>Bandwidth Limit</th><th width="182">Estimated price in $</th><th>Estimated Price in FTM</th><th>Estimated Price in ROSE</th></tr></thead><tbody><tr><td><code>100MB</code></td><td>25 uploads</td><td>Free</td><td>Free</td><td>Free</td></tr><tr><td><code>1GB</code></td><td>50 uploads</td><td>≈ 5$</td><td>≈ 12 FTM</td><td>≈ 80 ROSE</td></tr><tr><td><code>5GB</code></td><td>150 uploads</td><td>≈ 15$</td><td>≈ 35 FTM</td><td>≈ 240 ROSE</td></tr><tr><td><code>20BG</code></td><td>400 uploads</td><td>≈ 30$</td><td>≈ 70 FTM</td><td>≈ 470 ROSE</td></tr></tbody></table>
{% endtab %}

{% tab title="PX Bandwidth Price" %}

| Bandwidth    | Estimated price in $ | Estimated Price in FTM | Estimated Price in ROSE |
| ------------ | -------------------- | ---------------------- | ----------------------- |
| 10 uploads   | ≈ 1$                 | ≈ 3 FTM                | ≈ 16 ROSE               |
| {% endtab %} |                      |                        |                         |

{% tab title="Resources" %}

<table><thead><tr><th width="163.66666666666663">Function</th><th width="196">GAS Tracker</th><th width="207">Unit Converter</th><th>Token</th></tr></thead><tbody><tr><td>Fantom</td><td><a href="https://ftmscan.com/gastracker">Fantom GasTracker</a></td><td><a href="https://ftmscan.com/unitconverter">Fantom UnitConverter</a></td><td>FTM</td></tr><tr><td>Oasis Sapphire</td><td>/</td><td>/</td><td>ROSE</td></tr></tbody></table>
{% endtab %}
{% endtabs %}

### User cost calculation estimate per data transfer transaction (up to 100MB)

Let's assume that:&#x20;

> 100MB PX Storage NFT = Free
>
> Blockchain fees = \~0.009$ FTM ≡
>
> Service base-fee = \~0.0075$ FTM ≡
>
> Service dApp-owner-fee  = \~0.0925$ FTM... ≡
>
> **Total user cost = \~0.109$ FTM... ≡**

{% hint style="info" %}
**\*Note:** Crypto prices are estimated and calculated based on; (1) Fantom 41 GWei, and; (2) Oasis 100 GWei gas price. References to USD prices are made for approximate fiat value illustration purposes only.
{% endhint %}


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