Trading on Sikka.fun is simple and happens directly on-chain through your wallet.
To trade a coin:
1. Sign up on Sikka.fun app with your email or passkey (your Sikka wallet will be auto-provisioned)
2. Select the coin you want to trade and open its page.
3. You can review the trade summary which will display the amount of coin you are buying, fee, and slippage details (which is adjustable). After your review, click on Buy button at the bottom and enter the amount of SHM you want to spend for buying.
4. You can proceed to Sign & Buy on the transaction confirmation pop up in your wallet. Once the transaction is confirmed, you will the trade appearing under Recent Trades section of the particular coin you are buying. If you click on your trade, it will take you to Shardeum explorer that will display the record of your transaction on Shardeum blockchain.
5. If you want to sell the coin, you can visit the Portfolio at the bottom of the Sikka app, which will show your current coin holdings. You can click on the coin you want to sell, and hit Sell button on the next screen
6. Once you click on Sell, the next screen will display your balance details. You can enter the amount of the coin you want to sell - here we are selling max amount with slippage tolerance set to 0.5%. Once you set these adjustments, the trade summary will show how many SHM coins you will receive after possible slippage and fees. After review, proceed to hit Sell again.
After you click on Sign & Sell button in the next pop up screen, you can visit the Portfolio section to find the SHM balance after your sell order.
The bonding curve automatically calculates how many tokens you receive when buying and how much SHM you receive when selling, based on the current reserves.
Here's a quick video tutorial