The telecommunications industry is calling out for blockchain implementation, both in terms of security as well as efficiency. Not only would an immutable public ledger prevent fraud on the customer end, it could also keep telecommunications companies accountable for subpar services provided. For example, a smart contract could be implemented to offer rebates to customers if network coverage goes down for a certain period of time.
Blockchain can also be used to improve roaming services and charges for travellers and business people. Hard to gauge prices would be clear on the blockchain, while connecting to roaming services abroad would be made easy and automatic, depending on pre-agreed data or calling plans drafted on smart contracts.