Acropolis - The high point or citadel of an ancient Greek city, like the Acropolis in Athens. It is generally a raised area above the rest of the city where the most important sacred and secular buildings are brought together. The buildings on the Athenian Acropolis were important for trade and worship.
Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government. Bitcoins can be traded for goods or services with vendors who accept Bitcoins as payment.
Bitcoin is an anonymous digital currency... Bitcoin is not real money. It's an online currencyâvirtual tokens that can be exchanged for goods and services at places that accept it, the same way you'd give someone a dollar for a cookie.ust like you can trade in yen for dollars, you can swap your BitCoins with other users for several real world currencies. And right now, the BitCoin is trading very high! When we first published this post in May 2011, one Bitcoin was worth $7.50. Today it's over $250. And climbing. And climbing and climbing.