Could you elaborate on the concept of purchasing citizenship using Bitcoin? While cryptocurrencies have revolutionized financial transactions, does the concept of citizenship really lend itself to such a purchase? What are the legal implications of such a transaction, if it is indeed possible? And what are the practical considerations that one must take into account if they were to consider this unconventional method of acquiring citizenship? Given the complexities of citizenship laws and regulations across different jurisdictions, how feasible is this idea in reality?