By Tom Wilson LONDON (Reuters) – Ukraine’s government has raised almost $8 million in cryptocurrencies after posting appeals on social media for donations of bitcoin and other digital tokens, according to blockchain analysis company Elliptic. Ukraine’s official Twitter account made the appeal for cryptocurrency donations on Saturday following the country’s invasion by Russia, posting digital wallets addresses for tokens including bitcoin and ether. Ukraine’s Vice-Prime Minister Mykhailo Fedorov Tweeted the wallet addresses. “Stand with the people of Ukraine. Now accepting cryptocurrency donati…