Blockchains from an e-governance perspective: Potential and challenges - keynote at EGOSE 2020 : (Abstract of Keynote)Draheim, DirkElectronic Governance and Open Society: Challenges in Eurasia : 7th International Conference, EGOSE 2020, St. Petersburg, Russia, November 18-19, 2020 : proceedings2020 / p. xi−xiii https://link.springer.com/book/10.1007%2F978-3-030-67238-6