Validation Rule
A validation rule is a specific check software applies before accepting a transaction, block, signature, or state change.
✦ Key Insight
Understanding Validation Rule helps beginners read wallet and explorer information, troubleshoot transactions, and distinguish blockchain records from exchange or application accounting.
✕ Common Misconceptions
Do not assume Validation Rule is identical across every network or service. Check the blockchain, asset, transaction type, and platform-specific status definitions.
Detailed Explanation
In Practice
Dig Deeper
Smart Contract
A smart contract is blockchain-deployed code that can hold state and execute predefined rules when called.
Wallet
Software or hardware that stores your private keys and lets you sign transactions.
Blockchain
A shared, append-only record of transactions maintained by many independent computers at once.
Block
A block is a data structure that groups validated blockchain transactions or state changes and links them into the chain's history.
Transaction
A blockchain transaction is a signed or authorized instruction that changes blockchain state or transfers value when accepted by the network.