Blockchain has opened up a new era of financial technology and transparency, revolutionising the way financial services and transactions are carried out. It is essentially a continuously updated ledger of information regarding transactions and other data stored across a network of computers that contains an incorruptible record of all transactions ever made across a certain system. By continuously updating and verifying this ledger, by establishing 'blocks' containing new information that link to existing blocks, a secure digital record of data transactions is created.

The real brilliance of blockchain lies in its ability to secure data and provide transparent, incorruptible records for permanent archiving, making it a popular platform for secure and efficient sharing of data, digital assets. As there is no traditional centralized authority, blockchain technology can reduce costs associated with verifying transactions and maintaining records, thus eliminating potential delays and reducing transaction costs associated with traditional financial services.

At its core, blockchain technology is a continuous and unchanging ledger system which records every event, transaction or data exchange. This distributed ledger records, stores and stores data across networks and decentralizes data stored in shared databases, making it secure and unhackable. Thus, blockchain technology is being used not just in financial services, but also in other industries such as medicine, healthcare, media, content distribution, and supply chain.

It is clear that the applications of blockchain are vast, and can revolutionize the way we store and interact with secure data. With its ability to handle large volumes of data quickly and securely, blockchain is revolutionizing the way digital transactions occur, making them faster, secure and cost effective. Blockchain technology is thus heralding a new era of digital trust, creating opportunities and solutions to a myriad of operational and financial problems across industries.