# Getting Started

This guide walks you through everything you need before making your first deposit.

***

## What you need

* **A wallet** — MetaMask, Coinbase Wallet, Rainbow, or any WalletConnect-compatible wallet
* **Arbitrum One** added to your wallet (chain ID **42161**)
* **ETH** on Arbitrum One for gas, and **ETH** (for KASH-ETH) or **wBTC** (for KASH-BTC) to deposit

> KASH runs on **Arbitrum One**. You are using **real assets** — only deposit what you can afford to lose, and read [Risks](/kash-enhanced-yield-protocol/how-it-works/risks.md) first.

***

## Step 1 — Add Arbitrum One to your wallet

If your wallet does not already have Arbitrum One, add it manually:

| Setting         | Value                                                           |
| --------------- | --------------------------------------------------------------- |
| Network name    | Arbitrum One                                                    |
| RPC URL         | `https://arb1.arbitrum.io/rpc` (or your provider, e.g. Alchemy) |
| Chain ID        | `42161`                                                         |
| Currency symbol | `ETH`                                                           |
| Block explorer  | `https://arbiscan.io`                                           |

Most wallets also let you add it from [Chainlist](https://chainlist.org/chain/42161).

***

## Step 2 — Get ETH and wBTC on Arbitrum One

You need **ETH on Arbitrum** to pay gas and to use KASH-ETH.

**Common options:**

* Bridge ETH from Ethereum L1 with the [Arbitrum Bridge](https://bridge.arbitrum.io/)
* Withdraw from a centralized exchange directly to Arbitrum One
* Use another L2 bridge or on-ramp that supports Arbitrum

For **KASH-BTC**, hold **wBTC** on Arbitrum One (`0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f`). Acquire wBTC via a DEX or bridge, then use the app on the BTC tab.

***

## Step 3 — Connect your wallet to the app

1. On the homepage, click **Launch App**
2. Click **Connect Wallet** in the top-right corner
3. Select your wallet and approve the connection
4. Make sure your wallet is on **Arbitrum One** — the app will show **Wrong network** if you are on another chain

***

## Step 4 — Choose your product

Once connected, you will see two tabs:

* **KASH-ETH** — deposit ETH, earn yield
* **KASH-BTC** — deposit wBTC, earn yield

Select the one you want to use.

***

## You are ready

You can now [make a deposit](/kash-enhanced-yield-protocol/using-kash/depositing.md).


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