Who is Sergey Nazarov?
Sergey Nazarov is a co-founder of Chainlink, which he founded with Steve Ellis.
DeFi protocols such as lending platforms and derivatives rely on reliable price data to calculate collateralization ratios and liquidations. If a price feed is wrong, it could trigger liquidations that shouldn't happen.
$LINK is the token of the Chainlink network, used to pay for oracle services.
The market is always full of surprises, so think ahead about what to do if your judgment turns out to be wrong.