The best part about Bitcoin is the blockchain technology, also known as decentralized authorization.
The decentralized consensus of the blockchain means that there is no single controlling, corruptible entity, to which we are all subject.
Risks of blockchain technology do exist. One of the primary risk issues has to do with the 50% computational power of all the users involved.
Block chain technology is a kind of trustless architecture which does not require reliance on a specific agent.
The blockchain could support not only cryptocurrencies but also other financial instruments; new voting systems; identity and reputation systems; distributed databases; and even the management of assets and resources like energy and water.