  Blockchain technology is the first successful Bitcoin Network. It enables the
ledger to become more decentralized and secure. Since it is not limited to
bitcoin and controlled by third parties by government, corporations or banks,
the technology is capturing the number of industries including cryptocurrency,
infrastructure& hardware, financial technology, Internet&mobile and so on.
Blockchain is used as a public ledger to verify all transactions of peer to
peer systems and to maintain traded bitcoin spending from central authorities
while transactions have been distributed by Bitcoin. Achieving high
blockchain-based performance and privacy & security are global issues that are
desire to be overcome as claims show they are still significant challenges in
many blockchain applications. Thus, this paper provides an introduction of
Blockchain and the process of this technology in a way of outlining blockchain
types. In addition, recent advances & challenges, real economy integration and
current situations of this technology have been listed.

Image and Video Processing;Machine Learning