A blockchain is a distributed database that can be added to but never taken from.
The blocks in the chain are records which detail exactly what changes were made to the database and in what order. Bitcoin is the best-known use of blockchain. The blockchain database structure makes it ideal for sharing or trading sensitive and valuable data.
Last weekend, Europe’s largest blockchain hackathon to date took place in the DCU Innovation Centre in Dublin. The range of projects created over the weekend showcased many of blockchain’s possible applications, including VallD (an ID that cannot be lost or stolen), Open Charity (a disaster fund which can be released transparently), Prescriptchain (preventing prescription fraud) and Social Trust (P2P insurance).
There was a real buzz of excitement as blockchain advocates from all over the world converged. It felt like stumbling into a warehouse party …… (piece continues at Dublinglobe.com).