By Modupe Gbadeyanka To curb or reduce and illegal banking transaction in Nigerian banking system, Central Bank of Nigeria (CBN) in 2015 directed all account holders home and abroad to enrol for a bank verification number also known as BVN. BVN is an 11 digit identification number that gives every Nigerian with a bank account … Continue reading All You Need to Know About BVN, How to Retrieve it and Link it to Your GTBank Account