The main difference between da shocka and the gang sign and a WC or EC sign, is the distance and formation between fingers. a normal shocka is index and middle are together, EC/WC is completely seperate, very spread. the BTC symbol has the index finger about an inch spread form the middle finger.
B: naw man, that was an 'E'.
A: Oh Shit! it's the BTC!
B: Let's get the fuck outa here!