@techreport{ioannis2017blockchain,
  title = {Blockchain in energy communities: A proof of concept}
  author = {Ioannis, Kounelis and Giuliani, Raimondo and Geneiatakis, Dimitrios and Di Gioia, Rosanna and Karopoulos, Georgios and Steri, Gary and Neisse, Ricardo and Nai-Fovino, Igor},
  url = {https://data.europa.eu/doi/10.2760/121912},
  year = {2017}
}