HTC U12+ users from Hong Kong reported that the Taiwanese company has started seeding an OTA update that applies yet another fix for the pressure-sensitive buttons and also enhances system overall system performance and battery life. But that's not all - the changelog reads that the the so-called CryptoKitties mobile app has been pushed to a select number of HTC devices exclusively. The app is based on the blockchain technology and lets you breed unique kittens and trade with other users for your "purrsonal" profit. This is part of HTC's implementation of blockchain technologies...
Source: https://www.gsmarena.com/htc_u12_important_update__system_performance_battery_life_and_pressure_buttons-news-32888.php