By issuing concert tickets on the blockchain, fans can verify transfer of ownership from one digital wallet to another, rather than worrying whether the PDF (or paper) ticket they received was sold to 10 other people. This is an example of how blockchain solves the problem. a) inflation b) double-cross c) double-spend d) benchmark

Once the twisted pair cable is connected and a network is established the led lights at the back of the computer should be steady. on most ethernet adapters nowadays, a steady green light means that the connection is actively connected to a valid partner at the opposite end. if the status of the led starts flashing, this means that there’s some activity and data is being transferred.