How I explained Bitcoins to my 9yr old son

I worked with my son on a mining rig (computer), when I started to explain what a Bitcoin is.

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FAQ:

Why would someone want to use Bitcoins instead of cash?

But doesn’t this mean, that all banks will go bancrupt?

Why would someone use BitCoin instead of PayPal, which is a working and existing system?

What happens if my computer breaks? [store your cash in your house – loose everything][backups are crucial – examples]

Who is in control? Who will work in a worst case scenario?

Taxes?

Examples: Game for swizzerland + humble bundle transactions

Other pages that explains it easily:

https://trybtc.com

http://www.thebitcoinsecrets.com/