Steve Petro from 1973 to 1984. Steve's Pitt nickname was "The Rock," based on Petro, a derivation of the Greek word petros, which means rock. The Pitt Panther mascot's nickname is ROC, in Steve's honor. Steve Petro Stephen Lawrence Petro (October 21, 1914 – August 15, 1994) was an American football guard who played two seasons with the Brooklyn Dodgers of the National Football League (NFL). He was drafted by the Pittsburgh Pirates in the ninth round of the 1939 NFL Draft. He played college football at the University of Pittsburgh and attended Greater Johnstown High School in Johnstown, Pennsylvania. Steve played
Petro (cryptocurrency) 1 2018, the cryptocurrency switched to an X11 algorithm-based design. During the ICO petros could only be purchased from the Venezuelan government with Russian rubles, Bitcoin, NEM and Ethereum. The minimum required investment to acquire the crypto-asset is 50 euros (or its equivalent) per digital wallet or 1000 euros (or its equivalent) per bank deposits. Venezuela legally allows and encourages the use of petro for virtually any payment including oil trade, taxes, fees, real estate, gasoline, flights and more. Weiss Cryptocurrency Ratings states that the white paper shows no method as to how the Venezuelan government will base the petro