C 330: MetaMask and Ethereum (15 pts)

What you need:

Installing MetaMask

In Chrome, go to


Search for "MetaMask", as shown below, and install it.

Creating a Wallet

At the "Welcome to MetaMask" screen, click the blue "Get Started" button.

At the "New to MetaMask?" screen, click the blue "Create a Wallet" button.

At the "Help Us Improve MetaMask?" screen, click the blue "I Agree" button.

At the "Create Password" screen, enter a password twice, check the box, and click the blue Create button.

At the "Secret Backup Phrase" screen, reveal your phrase and save it somewhere. Then click the blue Next button.

At the "Confirm your Secret Backup Phrase" screen, enter it and click the blue "All Done" button.

A box pops up, advertising some new feature. Close it.

Now you have a wallet containing 0 ETH, on the Mainnet, as shown below.

Joining the Ropsten Test Network

In MetaMask, at the top right, click the network button, which names your current network.

If the Ropsten network is not visible, click the "Show/hide test networks" link.

Turn the "Show test networks" slider to ON.

Click "Ropsten Test Network", as shown below.

Close the Settings page.

Copying Your Address

In the MetaMask main page, click the little clipboard icon next to your account number, outlined in green in the image below.

Getting Test Ether

Try these faucets. If they fail, try getting Eth from your instructor or other students.

Sending Me Ether

In the center of your screen, click the blue Send button.

Enter this address:

And an amount of 0.01 ETH, as shown below.

Click Next. Click Confirm.

C 330.1: Activity (10 pts)

On the lower right, click Activity.

The transfer should complete instantly, and display your History.

The flag is covered by a green rectangle in the image below.

Block Explorer

Click the transaction you just made.

A box pops up with more information. At the top right, click the diagonal arrow to view this transaction on Etherscan, as shown below.

Click Next. Click Confirm.

C 330.2: Etherscan (5 pts)

The flag is covered by a green rectangle in the image below.

Recovering your Seed Phrase

First, make sure MetaMask is filling its own Chrome tab. If you are using the little pop-up window, you must first click the three-dot icon in the top right and click "Expand View".

Then click the colored circular icon in the top right, click Settings, "Security & Privacy", and "Reveal Seed Phrase".


Ethereum Basics

Posted 5-10-2021
Reveal Seed Phrase tip added 5-13-2021
More faucets added 8-26-2021
Faucets updated 6-3-22