Re: [webpayments] Expression of monetary amounts (#40)

@adrianhopebailie,

> One may argue this is not very developer friendly but it has worked for the card industry for a few decades. Is this a viable solution?

I think using a JSON number (which is how an integer would be represented) is problematic; different parsers may interpret certain values in different ways. In my view, the best way to protect integrity (with respect to parsing) is to use a string. Whether we express the value using the minor currency is another matter -- but I do think that if we use a currency code such as "USD", people will be confused if the amount is meant to be interpreted as cents.

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https://github.com/w3c/webpayments/issues/40#issuecomment-165538342