coins

For some reason our coins are irregular, although people in my experience find all coins a bother.

That's why it was used to mint coins in the past, plus the fact that it's hard to get means counterfeiting is hard.

Most likely, you had a $20 so you also get lots of $1 bills with your coins.

There is no insiders, no trusted parties changing rules, everything is publicly know: number of coins and their distribution scheme.

The Treasury still makes all of our coins, but the paper money and 'accounting' money were given to the Fed.

Throw your inflationary coins into bitcoin, and then sit on bitcoin, there is your gold hoard.

Or you could recover perhaps 30% of your money by mining coins using spot instances.

Forcing players to watch videos to earn coins, sticking ads in user's faces.

That's because the highest US coin in practice is $0.25—even though $1 coins exist, they are not widespread and overlap with the $1 bill.

I've lost a lot of coins in various hacks so this is experience talking, not theory;).

He spent 5 minutes pretending to have no change, then gave me 2 euros in coins plus a 10 in exchange for a 20.

However, if you were to flip 10 more coins, it is much more likely that you will get less than 100% heads flips, as it will regress closer to the mean of 50%.

The paper ends with "The caveats and analysis also point to the following conclusion: For tossed coins, the classical assumptions of independence with probability 1/2 are pretty solid."

You can get free flights by being bad customers of other businesses offering airline miles (like credit cards) or by defrauding taxpayers (the well-known "buy dollar coins from the Mint" scam).

Coins don't fit in wallets, represent small denominations, and are therefore not worth the trouble.