You can do it straight with steemconnect but you need your private active key since it is a wallet transaction. Keychain is a chrome extension but also needs private key to sign a wallet transaction. For the process of verification, we don't want you to use the 50 as we want you to get familiar with getting the tokens etc. You will understand better when i call you. At least i want to call some 1000 people for the record. To get some tokens from the market overall, you will need your private active key. Keys usually don't leave browser