The head of Japan's financial regulator has said there needs to be "careful consideration" when deciding whether to follow Hong Kong and the US in approving crypto-linked exchange traded funds. Hideki Ito, head of Japan's Financial Services Agency, said in an interview that many people believe crypto assets "do not necessarily contribute to the creation of wealth for the Japanese people in a stable and long-term manner". Ito, who took office in July, said other countries had taken a more "conser...