> Coin is trying to replace your credit cards (no other cards, like ID, Buss Pass, etc) with a single electronic card. After living in Hong Kong for 12 days, I

> Coin is trying to replace your credit cards (no other cards, like ID, Buss Pass, etc) with a single electronic card. After living in Hong Kong for 12 days, I can safely say they have a superior system for this premise alone. The octopus card. Accepted virtually everywhere any other card is accepted. It's like any other e-wallet with load, but its ubiquity in service acceptance is amazing. Everyone has an octopus card. Everyone important to the infrastructure of the country accepts octopus card.