Factors that Impact Blockchain Scalability

Peter Eklund, Roman Beck

Research output: Conference Article in Proceeding or Book/Report chapterArticle in proceedingsResearchpeer-review


Blockchain systems (more precisely Distributed Ledger Technologies
(DLTs)) represent a different digital ecosystem compared with traditional computer systems. One major difference are the performance and scalability factors which will be discussed and analytically investigated in this paper. In
doing so, we provide guidance for defining a research agenda focusing on the investigation of the crucial role of scalability for DLT systems. System performance - measured in terms of (1) consensus response time (blockchain network latency or time to convergence/agreement); (2) number of transactions
per second or throughput, and (3) computing (and power) resources consumed - can be understood by considering the design dimensions of a DLT system, namely: (i) the type of DLT system needed from a requirements perspective
which in turn determines; (ii) the complexity of the consensus protocol used; (iii) the topography of the anticipated traffic flow on the network; (iv) the performance and complexity of the domain-specific language that implements
smart contracts; and (v) by the anticipated growth in size and complexity of the distributed ledger itself.
Original languageEnglish
Title of host publicationProceedings of MEDES 2019 : The 11th International ACM Conference on Management of Digital EcoSystems
PublisherAssociation for Computing Machinery
Publication date2019
Publication statusPublished - 2019


  • Blockchain Systems
  • Distributed Ledger Technologies
  • Scalability
  • System Performance
  • Consensus Protocols


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