I might need some help/insights on this.

Hi guys, So I’m on the process of finishing up my Agri-business export platform which will be blockchain powered two-sided marketplace that connects Vendors (suppliers who register to sell their agricultural products.) and clients (Buyers who will be purchasing the said products). So here are some issues that have been troubling me and for those who've built two-sided marketplace platforms please help me out here: 1. **Chicken and egg question:** I have been thinking while finishing up, i should approach Clients first to get them into the platform by offering them Free for 100 weeks to any Client who will sign up for the next 120 days. 2. **Type of commission:** My platform will operate in market where most of exports activities are done traditional and there are small to none competitors who offer a platform that offers full supply chain service (smart contracts, custom market reports and a supply chain management service). So I was thinking of bundling up all this services and include them within the commission or should I put them as add-on-services? So I understand that there is subsidizing one side of a marketplace to attract the other, but what about doing both until critical mass, is it achievable? For those who've faced similar challenges: What strategies worked for your platform to overcome this please advise