Guest Presentation to the Climate Action and Accounting SIG: On Designing out Waste and Pollution: Full Disclosure & Accounting of Emissions by Carsten Stöcker, Founder of Spherity GmbH. Spherity is building decentralized identity management solutions to power the 4th industrial revolution, bringing secure identities (“Digital Twins”) to people, machines, algorithms, and other non-human entities. Our customer focus is primarily on technical industries like mobility, supply chain, and pharmaceuticals; in particular, Spherity is supporting the introduction of identity solutions in the Industrial Internet of Things (IIoT) market, which is expected to have a value of over €400 billion by 2030 and 75 billion connected devices by 2025. Our passion is building identity solutions for circular systems. Spherity was founded in November 2017 and employs currently 12 people.