Sweeping cross-checks will be carried out by the end of the year by the Hellenic Revenue Service for the disclosure of undeclared income and "black" money, having in its "arsenal" all the possibilities of new technologies, such as artificial intelligence. Specifically, VAT, cryptocurrencies, shares in foreign stock exchanges and retroactive payments are targeted by the special Mass Digital Crossings Unit, which will be staffed by IT executives and data analysts. They will use special algorithms to analyse big data and extract data from digital invoicing systems. At the same time, artificial intelligence will be used to benchmark and "scan" any available data on the internet and social media. Initially, the barrage of cross-checks will cover four major categories and will gradually be extended to the customs area to combat smuggling and illegal movements. The four initial categories are as follows: 1. cross-checks to identify taxpayers...