While blockchain first gained fame as the technology underpinning cryptocurrencies like Bitcoin, its potential extends far beyond digital money. At its core, blockchain is a decentralized, tamper-proof ledger that enables transparent and secure record-keeping without intermediaries. This foundational property is transforming industries ranging from supply chain management and healthcare to voting systems and intellectual property. By providing immutable proof of authenticity and provenance, blockchain helps combat fraud, reduce bureaucracy, and increase efficiency. For example, tracking the origin of food products from farm to table ensures safety and quality; secure health records empower patients while safeguarding privacy; and decentralized identity systems give individuals control over their personal data. Yet, blockchain also faces challenges—scalability, energy consumption, regulatory ambiguity, and integration with existing systems. As enterprises and governments experiment with permissioned and public blockchains, the technology’s long-term impact could be profound: redefining how trust is established in digital environments. Blockchain’s promise is not just technical innovation but social transformation, creating ecosystems where transparency and accountability become the norm rather than the exception.