Seeing how Rakuten is the "Amazon of Japan", maybe an Amazon cryptoexchange is in the works; or, perhaps its own coin like Facebook and Walmart are doing.
Bezos has shown that Amazon ain't gonna be late to the party through "Amazon Quantum Ledger Database" and "Amazon Managed Blockchain".
My "money" is on a "Prime Coin" (though more like Tether and less like Ether).
Check out my related dPoll here: