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For me, it's like the classic Spolsky critique of the "Cue Cat". It's solving a problem that I don't have. I carry a wallet anyway to contain my ID, my cash, and other cards that are not credit cards. Carrying a couple of credit cards along with all that is not a problem.

I personally don't have any hate for Coin or what they are trying to do; I hope they are successful. But it's not something I would buy.

Exactly. Currently in my wallet: a California driver's license, a Green Card, a medical insurance card, and a gym card which works via barcode. There's also a credit and a debit card. Thats's just 2/6 which I could replace with Coin.

Debit card, credit card, starbucks card, transit pass, home depot gift card, health card, two private health insurance cards, costco card, driver's license, and a rewards card from a local restaurant.

Both my debit card and credit card are chip-and-PIN cards, so I can't replace this with card, and none of the rest have magnetic stripes that anyone actually uses (the few cards that do have stripes, like my Costco card and driver's license, also have my picture on them and I can't replace them with a generic card).

This will be super useful for some people, but not for most people.

I have a debit card for my personal account, a debit card for a joint account I share with my SO, a general purpose credit card and 4 store credit cards. All of which use magnetic strips and could be replaced by coin. Yes, I have to carry my ID and insurance card as well, but coin would drastically reduce the bulk of what I carry and make that minimalist wallet I ordered off kickstarter all the more useful. I think it's brilliant, even if it is a stop-gap until we get proper NFC adoption.

Github solves a problem that I don't have, but that doesn't mean it's a bad product right? Not to argue with you specifically, but the concept of "solves a problem I don't have" isn't really an issue. I use Uber frequently because I don't drive (NYC), you may not if you have a car. Is Uber a shitty company? Nope, its pretty awesome, but it solves a problem for a small subset of people. Same with Coin. I highly doubt YC would have taken on coin if they didn't have a large market to go after. Whether or not it applies to me is less important and that seems to get lost in these conversations (which is weird being on HN).

>its pretty awesome, but it solves a problem for a small subset of people. Same with Coin. I highly doubt YC would have taken on coin if they didn't have a large market to go after.

Not to quibble, but you have some contradictions lurking in there. On one hand, you're saying that, like Uber, Coin solves a problem for a small subset of people. OTOH, you're saying that they are addressing a big market.

It's an important distinction if you're making the argument that the parent's personal need for the service doesn't matter. That is, if this is supposed to be a mass-market product, then "random" people (including the parent and others on HN) opining about their need for it is much more relevant than in the case of a niche product that is intended for a small audience.

"Small subset of people" contradicts a "big market"? Assuming $50 per coin, they have $50M of revenue if they have 1M buyers. $500M revenue for 10M buyers. 10 times revenue multiple, and you are looking at a $500M-$5B company.

Well, I don't consider 10M buyers a small subset of people.

In any event, "small subset" vs. "large market" are the parent's words. And, yes, of course a product that is aimed at a small subset of the market is the opposite of a product that is aimed at a large market. So, it contradicts, as you say.

These are relative terms that speak to the size of the market being addressed, so by definition small vs. large are opposites.

Perhaps the parent meant to say a "small, but profitable market".

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