Fintech Blockchain and Cryptocurrency

In-class lab · 62 minutes

Session 2 — Keys and wallets (in-class lab)

In one sentence. A wallet is a house key. Post your address (locker number), never a seed.

WhenWeek 1, second meeting · 62 minutes
Open in classnotebooks/sessions/S02_keys_and_wallets.ipynb — GitHub
If you missed classHandbook → Session 2
TonightAddress on the class roster. Preview L1 (due end of Week 2).

You will (in class)

  1. Run the Demo cells (hash, toy signature).
  2. YOUR TURN: one-character tweak; True/False on the lock; paste your address.
  3. Install MetaMask (or equivalent) if you have not. CLASSUSD drip comes after the roster.

After class

Keep the wallet. Seed never in a PDF or chat. A1 still due end of Week 1.

You will not

  • screenshot or type a seed phrase
  • skip posting an address (S3–S6 collapse without it)