Companies, governments, and others use what are called carbon offset credits to compensate for the carbon dioxide they emit. The credits are purchased or traded, and the investment goes toward reducing emissions some other way, such as renewable energy production or carbon sequestration. But there are various kinds, and some tend to lose value over time. Unfortunately, purchasing “high quality” carbon credits is a complex, cumbersome process that has to be done in over-the-counter transactions, which slows down the market for them, says Jim Procanik, executive director of the Veridium Foundation. Blockchain technology, he says, is a “perfect background for creating a more liquid and transparent marketplace.” Les mer her