 Finally, in year 5, BBN added the world's first superconducting nanowire single-photon detector to the operational network.It was created by a collaboration between researchers at BBN, the University of Rochester, and the National Institute of Standards and Technology; that first 100 Mhz system ran 20x faster than any existing single-photon detector at telecom wavelengths.In that final year, BBN also collaborated with researchers at the Massachusetts Institute of Technology to implement, and experiment with, a proof-of-concept version of the world's first quantum eavesdropper (Eve).