Blockchain Technology is a disruptive technology. Since the technology was conceived keeping in mind use as a deflationary currency based on decentralzed ledger Technology it has immense scope for improving currently deployed banking systems. Listing here a few days in which the technology can bring improvements:
FASTER TRANSACTIONS : Cross border payments which currently take 3–4 days time happen in seconds using blockchain.
LESSER FEES : Money transfers/remittances done using blockchains bring down considerably the transaction fee for the customer.
OPERATIONAL EFFICIENCIES : Currently the banks need to deploy centralized servers ( hardware )/software and and incur recurring cost for the maintenance/upgrades.
BETTER UPTIME : Since blockchains are based on decentralised ledger technology, it is nearly impossible for the network to go down and customers not being able to carry out their transactions.
REDUCTION IN FRAUDS : Blockchains being immutable, transaction data can't be changed. Also the use of smart contracts can eliminate possibility of frauds.
Similarly the Blockchain Technology can bring operational efficiencies in different sectors/industries.