# Cost / Fee

Before joining Obelisk, it's important to understand the costs involved. Since the protocol is built on Ethereum, you should also be aware of gas fees. Transactions can range from $15 to $150+, depending on network conditions.

## Fee - Overview

| Type        | Activating                           | Wrapping                           | Naming Cost                           |
| ----------- | ------------------------------------ | ---------------------------------- | ------------------------------------- |
| Obelisk NFT | 0.05 ETH - One time global (NFTPass) | 0 or 0.1 ETH - One time per NFT ID | <p>90 HCT <br>(Obelisk Token)</p>     |
| Hashmask    | 0.1 ETH - Linking                    | N/A                                | <p>1,830 NCT <br>(Hashmask token)</p> |

### Obelisk NFT

{% hint style="warning" %}
Wrapping an NFT doesn’t automatically grant you 90 HCT, so you won’t be able to name your Obelisk NFT right away. You’ll need to either buy HCT from the pool or wait until you’ve earned enough.
{% endhint %}

Wrapping an NFT into an Obelisk NFT may incur a cost. When a collection is approved and converted into an Obelisk NFT, the contract performs two actions:

1. **Determine the number of free slots available**\
   The contract calculates 25% of the current supply of the collection and sets that number as free slots.
2. **Assign free slots to odd or even NFT IDs**\
   The contract randomly decides whether the free slots will apply to odd or even NFT IDs. Only NFTs with the selected ID type (odd or even) can access the free slots.

Once the free slots are used up, all NFTs (whether odd or even) will need to pay for their own slot.

{% hint style="success" %}
Once an NFT ID is assigned a slot, any future wrapping of that ID will be free of charge.
{% endhint %}

### Hashmask

Each Hashmasks NFT must be linked to Obelisk for a fee of 0.1 ETH. If the linked NFT is transferred, the new owner must pay the linking fee. However, this fee can be waived if the previous owner uses the "transferLink" feature. \
\
This process is called "Proof of Ownership."

## Fee - Ownership

* NFT Pass -> Obelisk's Treasury&#x20;
* Linking -> Obelisk's Treasury
* Wrapping -> Collection Activation's Contributors & Obelisk's Treasury


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