Bitcoin is an open room with many clear piggy-banks. The coins in these piggy banks have a hard upper limit are impossible to counterfeit. The room is under constant video surveillance but at any time you can put on a mask, go into the room and move coins from your piggy bank to someone else's piggy bank.
Credit to:
https://medium.com/bitcoins-digital-currency/a9a8c094feafBut I'll still take the bounty : )