Efforce (WOZX) is a cryptocurrency launched in December 2020 by Steve Wozniak, the co-founder of Apple, and Jacopo Visetti. It is designed to be a blockchain-based platform that allows companies to fund energy-efficient projects by issuing energy savings tokens (ESTs) that can be traded on the platform. The platform aims to promote sustainability and reduce carbon emissions by making it easier for companies to fund and implement energy-efficient projects.