# How to flip a coin

### A. Get ready & choose a side <a href="#id-6bff" id="id-6bff"></a>

**A1. Connect Wallet, and make sure you’re on Arbitrum One.**\
**A2. Choose a side!**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*lwZj-CljggQkfFZ6s-DR3Q.png" alt=""><figcaption><p>Choose heads or tails</p></figcaption></figure>

Simply click on the ‘heads’ or ‘tails’ to get started, and the player can always change their mind before confirming the transaction.

### B. Commitment <a href="#id-33e4" id="id-33e4"></a>

**B1. Select the token the player wants to commit.**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*TsHbRRCmQYzg5CGPOKbRsQ.png" alt="" width="375"><figcaption><p>Click on the drop down menu to select tokens</p></figcaption></figure>

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*vJpIqBORg_ow9Rc4AzhFng.png" alt=""><figcaption><p>Select token</p></figcaption></figure>

The Coin Flip game will be launched first on Arbitrum One, supporting [$SEAN](https://dexscreener.com/ethereum/0x4f6c829b8acb1130978e82917d304f2221dd6bb1) and [$ARB](https://dexscreener.com/arbitrum/0xcda53b1f66614552f834ceef361a8d12a0b8dad8) in the initial stage. The Starfish team will consider onboarding other tokens for the users to play this game in the future.

**B2. Input the amount of tokens you want to commit**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*LPXtGpxWwpQmN-39ioRIxw.png" alt=""><figcaption></figcaption></figure>

Once a player has selected the token, put in the amount of tokens they want to commit in the game. There is a minimum and maximum limit for different tokens. The player can input the amount manually or use the pre-defined amounts (as per the buttons above the “double or nothing” tab!

**B3. Click on the ‘Double or Nothing’, and wish for the best**

### C. Settlement <a href="#id-2f21" id="id-2f21"></a>

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*r5gO5cB5M9WNgldnQpwvig.png" alt=""><figcaption><p>Congrats!</p></figcaption></figure>

The result is binary. If the player wins, the reward, together with the original committed funds will be automatically sent to their wallet. Otherwise, the player might move on to the next round to test their luck.

### D. Recent history <a href="#id-8be2" id="id-8be2"></a>

**D1. Recent transaction history**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*dEg9NIqw8UdBwPTojI2W1g.png" alt=""><figcaption><p>Global Transaction History</p></figcaption></figure>

There is a dropdown menu for players to view the results of the latest 10 games. Each player’s participation is represented by their wallet address. They can see who else are playing the game.

**D2. Personal history**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*lMhWx7Tc9Rz2tg_7M69hCg.png" alt=""><figcaption><p>Personal History</p></figcaption></figure>

The player can also switch to the ‘Personal’ tab to view their own stats & game results in the last 8 games.

**D3. Leaderboard**

<figure><img src="https://miro.medium.com/v2/resize:fit:1400/1*PGyQVJeTQyNxdkgjSg0FYg.png" alt=""><figcaption><p>Leaderboard (Demo)</p></figcaption></figure>

Furthermore, they can switch to the ‘Leaderboard’ tab to see the top 50 players ranked by their net winnings and their stats ;) (Maybe one can identify a pattern of winning?)