CoinsAndTheDistanceAhead

On-Chain Data refers to all data recorded directly on the blockchain, including transactions, account balances, smart contract states, block information, and more. These data are validated through the blockchain's consensus mechanism and permanently stored in a distributed manner across network nodes, possessing core features of transparency, immutability, and traceability.
Compared to Off-Chain Data (which refers to traditional databases or private records outside the blockchain), on-chain data emphasizes global consistency and trust-building, while off-chain data focuses on speed, privacy,