?url_ver=Z39.88-2004&rft_id=10.3390%2Fapp11209372&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=D.&rft.aulast=Khan&rft.au=Khan%2C+D.&rft.title=Applied+Sciences+(Switzerland)&rft.date=2021&rft.volume=11&rft.issn=20763417&rft.issue=20&rft.atitle=Systematic+literature+review+of+challenges+in+blockchain+scalability&rft.genre=article