The Light Wallet is a starter for those who are new to blockchain. However if you are experienced with blockchain and would like to invest large amounts, we strongly suggest you register with a Ledger Nano.
The Light Wallet is an in-browser wallet, build from an open source library. It's really user-friendly, but it's also inter-operable and can be used via Metamask, MyEtherWallet, Ledger Nano or any other web page using this library.
If you are an ICBM investor please create your account using the wallet with which you made your commitment.