# How to buy and stake CLAM ## What is CLAM? OtterClam is an OHM fork on Polygon network aim to become **A Reservation Currency Memecoin**. Polygon netowrk is a ethereum layer 2 blockchain. To start interaction with Polygon, you need get some $MATIC first. In this tutorial, we will show you how to purchase CLAM from exchanges or from other chains. ## From Exchanges There are many exchanges support Polygon withdraw: * [Binance](https://www.binance.com/) * [Crypto.com](https://crypto.com/) * [ASCENDEX](https://ascendex.com/) * [OKeX](https://www.okex.com/) * [KuKoin](https://www.kucoin.com/) * [MEXC](https://www.mexc.com/) * [Gate.io](https://www.gate.io/) You can found more CEXs on here https://awesomepolygon.com/cex/ 1. Buy some $MATIC from CEX listed above 2. Go to https://quickswap.exchange/#/swap?outputCurrency=0x4d6A30EFBE2e9D7A9C143Fce1C5Bb30d9312A465 3. Click "Switch to Polygon" ![](https://i.imgur.com/u2LpwRp.jpg) 4. Add & switch network to Polygon in metamask ![](https://i.imgur.com/6lRShrv.png) 5. Withdraw MATIC from one of above CEX to your wallet. The wallet address is the same address in Ethereum network. 6. Swap some $MATIC to $CLAM. Attention: Don't swap all! You should save some matic for future gas fee, 0.1~1 MATIC is enough for plenty of transactions. 7. Go to OtterClam webapp https://app.otterclam.finance/#/stake 8. Approve & Stake all your CLAMs. Sit and chill. ![](https://i.imgur.com/C6VrXJY.png) *Note: Your fresh stake CLAM will be in warmup for 2 epoch. CLAM in warmup still earn rebase rewards but you can't unstake it. After 2 epoch, you can claim your warmup and get sCLAM in your wallet.* ## Trading for CLAM from other chains 1. Follow above steps to add Polygon network to your metamask. 2. Get some $MATIC as GAS fee from matic faucet https://matic.supply/ or https://macncheese.finance/matic-polygon-mainnet-faucet.php 3. Bridge your assets to Polygon ### Ethereum * Use PoS brdige https://wallet.polygon.technology/bridge * Use above CEX to bridge your eth/usdc to Polygon ### BSC * The best options is to use Binance as bridge * DeFi bridge: https://bridge.evodefi.com/?token=USDC ### Solana * AllBridge: https://allbridge.io/ ### Other chains Bridge * AnySwap: https://anyswap.exchange/ * AllBridge: https://allbridge.io/