C 330: MetaMask and Ethereum (15 pts)

What you need:

Installing MetaMask

In Chrome, go to

https://chrome.google.com/webstore/category/extensions

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.

Switching to Ropsten

The Ethereum Mainnet costs money to use. We'll use a test network inetead, where ETH are free.

At the top right, switch to the "Ropsten Test Network".

Click Buy, then, in the "Test Faucet" section, click "Get Ether".

On the "MetaMask Ether Faucet" page, click the green "request 1 ether from faucet" button.

In the "Connect With MetaMask" box, click the blue Next button.

Click the blue Connect button.

If you see a red "Error: 500" at the bottom of the page, saying "Too Many Requests", wait a few minutes and try again. If it still doesn't work, try these solutions:

Return to the main MetaMask page. Within a minute or so, you should see your balance change to 1 ETH, as shown below.

Sending Me Ether

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

Enter this address:

0xe4eF084aAf933E21002f86fd1d81E0d60FbFa2Cd
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".

References

Ethereum Basics

Posted 5-10-2021
Reveal Seed Phrase tip added 5-13-2021
More faucets added 8-26-2021