Nobody will have a system called Apple Pay. It'll be a NFC POS terminal that accepts Apple Pay and all the others like Google Wallet.
Now, there might be a Apple Pay logo along side with some of the Google Wallet logos I already see.
Apple pay works just like google wallet and softcard/Isis wherever u see this logo:
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This is nothing new. Retailers are hesitant to add Bitcoin support. Apple is experiencing the same.
Bitcoin is terrible.