Many people think Gavin Wood is straightforward, but this is the key point:
The Polkadot mainnet launched in May 2020, and parachains began joining in December 2021.
The Yellow Paper’s significance lies in defining Ethereum’s rules in precise mathematical terms. Different teams can develop clients according to the same specification, ensuring consistent results.
Before staking DOT, first find out how long unbonding takes and what the slashing rules are. Refer to the official documentation for details.
$DOT is Polkadot’s native token, which can be used for staking and governance voting.