A promise to make an offering of lower amount of transaction fees than actual traditional online payment mechanisms and is being operated by a decentralized authority, unlike government-issued currencies, is actually a type of peer to peer reviewed BITCOIN. Today's market cap for all sorts of bitcoins (abbreviated BTC or, less frequently, XBT) in circulation has exceeds to $7 billion. Physically, bit coins are not available, only the actual balances kept on a public ledger in the cloud that – along with all Bitcoin transactions – is being verified by a massive amount of computing power. Bit coins are not actually being issued or backed by any banks or governments, nor are the individual bitcoins is being valuable as a commodity. Despite it’s not actually a legal tender, Bitcoin charts are very much high on popularity, and has triggered the launch or commencement of other effective virtual currencies together which, collectively referred to as Altcoins.