Pledge made at virtual summit as Washington seeks to counter Chinese influence in Central and Southeast Europe.
Emergency measures including shop closures in Czech Republic as it struggles with huge surge in new cases. Healthcare services under pressure across the region.
Fintech nChain and mobile software company Equaleyes aim to "put the benefits of public blockchain in the hands of two billion people" said Equaleyes CEO Luka Topolovec.
Central and much of Southeast Europe have seen new COVID-19 cases soar amid autumn second wave.
Clear divide between west and east of the continent in preventable deaths attributable to the environment. More than a quarter of all deaths in Bosnia linked to environment.