https://jamestown.org/program/kazakhstan-surges-to-third-place-in-global-crypto-currency-production-behind-china-and-us/
https://intellinews.com/how-kazakhstan-shot-to-number-three-in-the-crypto-mining-industry-221200/
https://www.independent.co.uk/life-style/gadgets-and-tech/paul-krugman-nobel-prize-bitcoin-b1850539.html