Blockchain technology is fundamentally changing the global financial market. Even more today, it has a significant impact on society because it brings a completely new level of efficiency and transparency, with increased security of transactions. Also, blockchain technology has made it possible to change the model from a centralized to a decentralized model of transaction execution while providing the necessary functional characteristics. This special issues aims to investigate the impact and revolution of Fin Tech and Blockchain in the financial industry, how financial services should respond Blockchain technology, then how Blockchain technology transforms financial services such as stock market, banking, asset management, and insurance, its implications for auditors and accountancy profession, Blockchain tehnology's opportunities and challenges. Also, it welcomes topics related to Crypto-finance, decentralized market infrastructures, tokenomics, digital currency, digital assets, their associated market structures, to explore the main drivers for use of crypto currencies in investment strategies including price formation, detection of market inefficiency and diversified portfolio construction and investigate quantitative and qualitative benefits for finance.