Validator: meaning, definitions and examples

Repeated. Please refer to the first entry.

Often used in more casual or less formal situations for someone or something that examines or inspects items or data for errors or inconsistencies.

• The grammar checker highlighted several mistakes in the document.
• We need a price checker to ensure all items are correctly tagged in the store.

Used when there is a need to substantiate the correctness of something, often in contexts related to authentication or certification. This term can sometimes imply a higher level of scrutiny.

• The verifier authenticated the user's identity for secure access.
• We need a verifier to ensure that all compliance requirements have been met.

Technical and formal contexts, especially in software development, where a 'validator' checks whether data, code, or documents are correct and meet specific criteria or rules.

• The form includes a validator to ensure the email address is formatted correctly.
• Our web application uses a validator to check user input for errors.

General and diverse contexts, where 'verifier' refers to someone or something that confirms the accuracy, truth, or validity of information.

• The verifier checked the authenticity of the documents.
• Before publishing the report, a verifier will review all the data for accuracy.

Financial and business contexts, generally referring to someone who examines and verifies the financial records of a company or organization. Often related to formal compliance and regulatory frameworks.

• The company hired an external auditor to review its financial statements.
• Auditors found discrepancies in the quarterly financial reports.

Use this term in the context of a blockchain system where nodes validate transactions and are typically part of the consensus mechanism. It emphasizes the role of checking and verifying transactions.

• A validator on the Ethereum network plays a crucial role in transaction confirmation.
• Before a transaction is added to the blockchain, it must be approved by a validator.

This term is typically used in blockchain networks that use a Delegated Proof of Stake (DPoS) consensus mechanism, such as EOS. It highlights the role of creating new blocks in the blockchain.

• EOS block producers are elected by token holders to create new blocks and validate transactions.
• The responsibilities of a block producer include producing blocks and maintaining the network's integrity.

Apply this term when discussing nodes involved in achieving consensus across the entire blockchain network. It can be used in various types of consensus mechanisms like Proof of Work (PoW) or Proof of Stake (PoS).

• A consensus node in the Bitcoin network helps maintain the blockchain by solving complex mathematical puzzles.
• Consensus nodes work together to agree on the state of the blockchain and validate new transactions.