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# System prepended metadata

title: How to buy and stake CLAM

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# 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/ 

