Yieldnodes works on a lot of different projects within the platform - one of them is Sapphire. Sapphire is a cryptocurrency that Yieldnodes uses to generate a fraction of the masternode profit, but it’s not utilized as much as the other more popular currencies. The team behind Yieldnodes is also the main developer for Sapphire, and they have announced a lot of exciting new features for the upcoming period that will affect the price of SAPP.