South Africa-based energy company Renergen has signed a $25m deal in the form of a forward sales agreement which will aim to create a spot market for helium,allowing significant investment potential in the rare gas.The agreement,signed with Argonon Helium US Inc.(Argonon),a US-based helium trading company,will see helium traded in a manner similar to cryptocurrency,via blockchain,in a quantity of 100,000 units over 19 years.
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