By Luc Olinga Russia set to legalize cryptocurrencies while Tennessee lawmakers want local authorities to invest in digital currencies and NFTs. The signals are increasingly green for cryptocurrency fans. Within days, in quick succession, authorities in Russia and the United States sent positive messages suggesting that the adoption of digital currencies was well on its way. In Russia, the authorities have made a major U-turn. The country no longer wants to ban cryptocurrencies, as Bank of Russia, the country’s central bank, suggested in January. On the contrary, they now want to legalize them…