Below are the steps to claim your Kusama token (KSM) using MathWallet before Kusama Genesis. For the claim process after Kusama Genesis, click go to http://blog.mathwallet.org/?p=914
1 Create Kusama Address
Download MathWallet Browser Extension Wallet:
In Math Chrome Extension Wallet, switch network to ‘Kusama’
Create new wallet and backup
Copy the wallet address
2 Complete mapping in ETH wallet
Switch network to Ethereum, and import the ETH wallet which has the DOT(ERC20) tokens
Find the “KSM Mapping ” dApp
Paste Kusama address, and click ‘Map’
Check and accept the 0 ETH transaction to finish mapping
3 Check result
After the ETH transaction has been completed, open below URL:
Paste the Ethereum address to your DOT allocation to check the results. A good mapping should be like below.
After the Kusama has launched, the KSM will be in your Kusama address.
Kusama is an early, unaudited and unrefined release of Polkadot. For more information, please visit https://kusama.network/