Blockchain Quiz

What did Satoshi Nakamoto do when banks were failing in 2008?

• Opened a lemonade stand

• Complained on Twitter

• Invented Bitcoin and proposed blockchain

• Applied for a job at a bank

In blockchain, what's the role of a 'block'?

• A place to store your snacks

• A digital container of transactions

• A way to block your ex from seeing your crypto balance

• A Minecraft feature

Why is blockchain like a village gossip network?

• Everyone knows your secrets

• Everyone keeps a copy of the ledger

• It spreads rumors faster than Facebook

• It's full of drama

What happens if one elder in the blockchain village tries to cheat?

• They get promoted to chief

• Their ledger gets ignored

• They win a prize

• Everyone throws mangoes at them

Proof of Work is basically:

• A gym membership for your computer

• A race to solve math puzzles using lots of energy

• A way to prove you worked hard in school

• A blockchain beauty contest

Proof of Stake is like:

• Betting your crypto on being honest

• Cooking a blockchain BBQ

• Staking your claim on a digital island

• Playing poker with Ethereum

What's a smart contract's favorite phrase?

• "I'll think about it."

• "If this, then that."

• "Let's negotiate."

• "Call my lawyer."

Why do banks love blockchain (besides the cool name)?

• It makes their logos look techy

• It saves money and reduces reconciliation work

• It helps them avoid customer service

• It gives them more holidays

What's the biggest threat to a centralized ledger?

• A coffee spill

• A dishonest moneylender

• A missing notebook

• All of the above

What does "immutable" mean in blockchain?

• You can mute it anytime

• It's immune to gossip

• It cannot be changed

• It's always moody