What happens when your digital shadow takes shape: tangible, interrogative, observant? We ask the hard questions on digital identity and who controls it. Should it be centralized, or decentralized? What happens if digital identities are abused or even censored? At Johannes Kepler University Linz ( https://www.jku.at ), the Christian Doppler Laboratory for Private Digital Authentication in the Physical World (CDL Digidow, https://digidow.eu , https://ins.jku.at ), the Circus o