Link: https://www.engadget.com/2019/07/18/cryptocurrency-bitcoin-swift-japan/
Link: https://cointelegraph.com/news/g7-approves-japans-cryptocurrency-based-swift-alternative
In 2017 Japan has made itself one of the bitcoin friendly country as the numbers of merchants who accepts bitcoin are increasing. It was once planned that one of their airlines will accept bitcoin but I guess it was postponed. The idea of an International network for cryptocurrency payments will make transactions for crypto much faster including bitcoin. Maybe this is the chance for bitcoin to overcome the delayed in their sending transactions.