Covid certificates are a global mess, with countries operating a patchwork of incompatible systems. We look at why it’s so difficult to standardise digital health passes. When the results of Uzbekistan’s elections are published today, the only surprise will be the margin of victory for Shavkat Mirziyoyev, the country’s autocratic leader since 2016. The question is how far he can take his agenda of economic and political reform. And Non-Fungible Tokens (NFTs), a way of representing ownership of digital media, have taken the art world by storm. Why The Economist is getting in the game. 

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