【明報專訊】In the past few weeks, Hong Kong has just witnessed the start of the war of e-payments, which has attracted both local and mainland businesses — WeChat Pay (微信支付), Alipay (支付寶), TNG Wallet and Octopus Card, just to name a few — to fight for domination of the market. In Hong Kong, they are making their ways to taxis, buses and the MTR for the convenience of mainland tourists.