Goldman Sachs, JPMorgan Chase, Mizuho Financial Group and Morgan Stanley are helping to lead the listing, which could take place as soon as the fourth quarter and raise over $2b. PayPay was launched in October 2018 and now has 70m registered users, which is equivalent to more than 1 in 2 people in Japan and about 2 out of 3 smartphone users in the country, according to the presentation.