Petteri Kivimäki, CTO at the Nordic Institute for Interoperability Solutions (NIIS), agreed to be interviewed on the history and the impact of X-Road®, the open source data exchange layer solution. Could you give us an overview of X-Road, in your own words? X-Road is a decentralised data-exchange layer that provides a secure and unified way to exchange data between organisations. X-Road is published as open source under the MIT licence, so it is free for any individual or organisation. Originally, X-Road was developed in Estonia twenty years ago, in December this year it will be its 20th…