Refund-by-location-smart-contract
It was intended to be used when one party, such as an employer, consented to pay another party, such as an employee, for being present at a specific location for a specific amount of time. At predetermined intervals, the employee's phone updates a smart contract with its GPS location. When all predetermined conditions are satisfied, a cryptocurrency payment is carried out based on the pre-agreed contract that is recorded in an Ethereum smart contract.