Reliability of Bitcoin and use of its technology

Abstract

Why does Bitcoin attracts attention now? That's because using systems such as a block chain makes Bitcoin higher reliable. The number of altcoins and projects called Bitcoin 2.0 are now increasing as Bitcoin's system is easy to use and spreading its high reliability. We could have great hope for possibilities of Bitcoin 2.0 particularly some kind of bitcoins like Counterparty that uses Bitcoin as new ways and others like Ethereum that uses a unique block chain. In this report we consider reliability of Bitcoin and possibility of application to Bitcoin 2.0.