AUTHOR=Rosa Giovanni , Pareschi Remo TITLE=Corrigendum: Tether: A Study on Bubble-Networks JOURNAL=Frontiers in Blockchain VOLUME=4 YEAR=2022 URL=https://www.frontiersin.org/journals/blockchain/articles/10.3389/fbloc.2021.842255 DOI=10.3389/fbloc.2021.842255 ISSN=2624-7852