Exam

Question 1

Why is DeFi often compared to Money Bricks ?

DeFi apps form layers that rely on other DeFi apps just like bricks with each other.

DeFi apps respect common standards that allow them to interact with each other.

DeFi apps rely on banks to perform KYCs.

DeFi apps are often open-source, allowing developers to fork them and modify them to create their apps.

Question 2

Consider a liquidity pool with 120,000 wXTZ and 4 BTCtz. I want to exchange 1 BTCtz. What is the marginal price for 1 BTCtz?

20,000 wXTZ

24,000 wXTZ

30,000 wXTZ

36,000 wXTZ

Question 3

Consider a liquidity pool with 120,000 wXTZ and 4 BTCtz. I want to exchange 1 BTCtz. What is the effective swap price of my 1 BTCtz?

20,000 wXTZ

24,000 wXTZ

30,000 wXTZ

36,000 wXTZ

Question 4

The FA2 token standards allow Tezos developers to:

Create fungible tokens (equivalent to ERC-20 on Ethereum)

Create non-fungible tokens (equivalent to ERC-721 on Ethereum)

Create non-transferable tokens (equivalent to ERC-1238 on Ethereum)

Create multi-asset contracts (equivalent to ERC-1151 on Ethereum)

Question 5

A wrapped asset can be pegged to:

a fiat currency

a commodity

a security

a stock

Question 6

All stablecoins are collateralized by a reserve:

true

false

Question 7

Using an exchange is required to make an Atomic Swap:

true

false

Question 8

Synthetics are wrapped tokens pegged to their original asset:

true

false

Question 9

An oracle can:

fetch price data

fetch weather data

process the data

guarantee the fetched data is valid

Question 10

If I do not repay a flash loan in the same block:

the loan is postponed to the next block

the loan is cancelled but all my other operation involving the borrowed money are still executed

all my operations involving the borrowed money are cancelled and my gas fee is refunded

all my operations involving the borrowed money are cancelled but my gas fee is not refunded

Question 11

I can exchange an FA1.2 token against an FA2 token on DEXs:

true

false