There are two roles in Helmet eco, Policy Supplier and Policy Holder. Supplier is the creator & seller of insurance policy. When they make the selling order to market, they could earn a little stable Helmet token reward. Holder is the buyer of insurance, and they could get the policy by paying to Supplier. When the policy mature, they could choose to claim or abstain the insurance based on the SWAP price. For example, Peter bought a 1 month of "Cover 50% off " insurance of A token, in this period, the price of A dump 50%, then Peter could claim it and earn a premium to hedge his lose.