# How to Launch Bonding Curve Presale

### Overview

After token deployment, the project owner lands on the standard SmartDeFi™ token dashboard.

From there, you can update the token logo and social links, then launch the bonding curve.

Do not add liquidity manually or launch an LGE presale.

<figure><img src="/files/nkRu3VzWVYWLbcMzvlcD" alt=""><figcaption></figcaption></figure>

### Launch the bonding curve

#### Step 1. Open bonding settings

Click **Deploy Bonding** to open the bonding curve settings.

These settings can only be changed before the bonding curve goes live.

<figure><img src="/files/GJfKWDxo1Zy7G0WQ0ICe" alt=""><figcaption></figcaption></figure>

#### Step 2. Define the settings

**Initial buy amount:**\
The token owner may choose to purchase a portion of the tokens (up to 10%). The purchased share will be subject to the same vesting rules as the general public.

**Anti-whale mechanism:**\
Set a maximum transaction percentage during the bonding curve phase to prevent large trades.

**Token lock duration:**\
The owner can enforce a vesting period for users purchasing tokens during the bonding phase and the trading phase.\
Vesting settings can be set from 0–18 weeks on mainnet (0–18 minutes on testnet).\
The earlier a user enters the bonding curve, the longer the lock period applies (see [Vesting in Bonding Curve](/smartdefi-tm-platform/token-launchpad/sd-bonding-curve/vesting-in-bonding-curve.md) for more details).

<div align="center"><img src="/files/xVvNe3qooUsj4pemhXg7" alt=""></div>

{% hint style="info" %}
Reminder: The entire token supply is locked into the SmartBondingCurve contract once the bonding curve goes live.
{% endhint %}

{% hint style="warning" %}
Do not leave any fields blank. If you choose not to set an initial buy amount or a vesting period, always specify **“0”**; otherwise, the system will not allow you to proceed.
{% endhint %}

#### Step 3. Approve

<figure><img src="/files/2UdiiznsDvdGJXOUdBrr" alt="" width="314"><figcaption></figcaption></figure>

Approve and confirm the setup transaction.

#### Step 4. Deploy

Click **Deploy Bonding Curve** and confirm the transaction.

<figure><img src="/files/aHNS3PILgSHCS2gixFI5" alt="" width="337"><figcaption></figcaption></figure>

The launch fee is **0.0001 TBNB** on testnet (mainnet TBD). For more information on the fee structure, see [Bonding Curve Fees](/smartdefi-tm-platform/token-launchpad/sd-bonding-curve/bonding-curve-fees.md).

Once launched, the token appears under the **Bonding** tab on the SmartDeFi™ platform.

The project dashboard also highlights it in yellow while bonding is live.

<figure><img src="/files/xe0kUHFChiqO5CfSfDRf" alt=""><figcaption></figcaption></figure>

### Owner rewards

*(To be confirmed for mainnet; 0% on testnet)*

Token owners may earn a share of swap-related fees if the **Token Owner Fee** is activated at the protocol level.

**Token owner fee (from swap fees):**\
A percentage of swap fees that is distributed directly to the token owner in BNB.

For example, if protocol-level swap fees are set to 2% and owner rewards are set to 10%, the token owner will receive 0.2% of total trading fees in WBNB.

For more details on bonding curve fees, see [Bonding Curve Fees](/smartdefi-tm-platform/token-launchpad/sd-bonding-curve/bonding-curve-fees.md).


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