At first, I thought knowing how to read candlestick charts would be enough, but then I realized that the rules are the first lesson.
Today's topic: flash loans
The borrowed funds, plus the fee, must be repaid to the pool before the same transaction ends. Otherwise, the entire transaction reverts, as if it had never happened.
When evaluating a protocol, it's worth checking where its prices come from: protocols that rely only on the spot price of a single DEX pool are more vulnerable to flash loan manipulation.
$AAVE 's lending protocol, Aave, supports flash loans.