Many people think Sergey Nazarov is a simple person, but this is what really matters:
In May 2019, Chainlink launched its decentralized oracle network on the Ethereum mainnet.
Decentralized oracles let multiple independent nodes fetch data separately and then aggregate it, making it harder for any one malicious node to influence the final price.
There are many fake “airdrop” offers online impersonating Chainlink or its founder. Always rely on official channels.
$LINK is the token of the Chainlink network, used to pay for oracle services.