Yes, blockchain technology can be used for validating various types of data or actions unrelated to cryptocurrency. Here are a few examples:

Identity Verification: Blockchain can store and validate identity-related information in a decentralized way, ensuring that personal data is secure and verifiable without relying on central authorities.

Supply Chain Tracking: Blockchain can be used to track goods and products across the supply chain, ensuring their authenticity and verifying that the product hasn't been tampered with or counterfeited.

Intellectual Property Protection: Creators can register their work (e.g., art, music, patents) on a blockchain to prove ownership and establish a time-stamped record of creation, helping to prevent unauthorized use or infringement.

Voting Systems: Blockchain can help ensure transparency, immutability, and security in voting systems, making it harder for votes to be tampered with, thus enhancing trust in electoral processes.

Medical Records: Blockchain can be used to store medical records securely, giving patients control over who can access their data and ensuring that the records are unaltered and up-to-date.

Legal Documents and Contracts: Blockchain can validate the authenticity and timestamp of contracts, agreements, and legal documents, ensuring that they haven’t been modified after signing.

By utilizing blockchain's immutability and transparency, validation of a wide range of information or transactions can be achieved securely without needing a central authority