The document discusses the Central Bank of Nigeria's decision to issue a new 100 Naira banknote to commemorate Nigeria's 100 years of unification. Central banks normally issue new banknotes to replace notes that have lost counterfeit resilience or to commemorate important events. The new 100 Naira note was designed with advanced security features like micro-optics and a QR code, making it the first smart paper banknote connected to smartphones. It aims to balance security, durability for the tropics, attractiveness, heritage, and being the first paper note with digital capabilities. Images and descriptions of the front and back of the new commemorative banknote are also provided.