Financial sustainability considered as the main target to any bank, financial institute and so on, which leads financial service providers to look for new technologies and solutions to achieve that target due to the high level of competition among economies around the world. In this paper, blockchain technology BT will be handled as a sample due to its unique characteristics in enhancing the security, authenticity in addition to risk management. The technique of BT seems to be as ledger that includes huge number of records, data which can be managed more efficient than before with high level of transparency. Current paper aims to graph the scope of blockchain technology BT in banking sector, focusing on the benefits of adopting this technology in addition to its ability to provide many opportunities in enhancing & developing banking industry. Financial industry acknowledges BT on many various services especially in forging revenue processes, efficient operation processes and reducing business operations’ risks. Four main experiences are taken here (USA, China, UAE; Bahrain) to understand and activate this kind of technology to achieve sustainability especially in our Arabian Region conditioned by core of changes in rules, laws, business environment, and the linkage the infrastructure of many sectors within technological solution providers to achieve sustainability.