There are two main advantages for aggregating ETH into a single wallet for bidding on loans on Blend:
Minimizing downside risk for Depositors - Lending on Blend can be lucrative, but the risk profile is similar to writing a put option. Lead Strategists are Lenders who use their expertise to minimize downside risk while maximizing returns. They use the Coolwater platform to receive loans from Depositors to aggregate bidding capital to provide passive return to Depositors while gaining leverage on their capital.