Lightweight blockchain

A lightweight blockchain is a simplified blockchain enabling trustless, secure data transactions between nodes.[1] A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes.[2] To ensure each new block of data added to the chain is legitimate, a consensus mechanism must be used; for example, the Bitcoin blockchain uses Proof-of-Work (PoW) and the Ethereum blockchain uses Proof-of-Stake (PoS). The architecture of this blockchain-based distributed ledger technology requires intensive energy consumption and computational power.

Though lightweight blockchains are simplified, they do not sacrifice on data security,[3] making them suitable for applications and devices that need data reliability but limited computational resources.[4] For example, Internet of Things (IoT)[5] devices or Autonomous Vehicles.[6]

Lightweight blockchain-based devices can have various use-cases. A recent experiment proved that a lightweight blockchain-based network could accommodate up to 1.34 million authentication processes every second, which is more than sufficient to be applied in a resource-constrained IoT network [7] or the health sector.[8]

References
  1. Awan, Saba; Sajid, Maimoona Bint E.; Amjad, Sana; Aziz, Usman; Gurmani, Usman; Javaid, Nadeem (2022), Barolli, Leonard; Yim, Kangbin; Chen, Hsing-Chung (eds.), "Blockchain Based Authentication and Trust Evaluation Mechanism for Secure Routing in Wireless Sensor Networks", Innovative Mobile and Internet Services in Ubiquitous Computing, Cham: Springer International Publishing, vol. 279, pp. 96–107, doi:10.1007/978-3-030-79728-7_11, ISBN 978-3-030-79727-0, S2CID 237284322, retrieved 2021-07-08
  2. "The great chain of being sure about things". The Economist. ISSN 0013-0613. Retrieved 2023-02-06.
  3. Hanggoro, Delphi; Sari, Riri Fitri (November 2019). "A Review of Lightweight Blockchain Technology Implementation to the Internet of Things". 2019 IEEE R10 Humanitarian Technology Conference (R10-HTC)(47129). Depok, West Java, Indonesia: IEEE. pp. 275–280. doi:10.1109/R10-HTC47129.2019.9042431. ISBN 978-1-7281-0834-6. S2CID 214594644.
  4. Hong, Sunghyuck (March 2020). "P2P networking based internet of things (IoT) sensor node authentication by Blockchain". Peer-to-Peer Networking and Applications. 13 (2): 579–589. doi:10.1007/s12083-019-00739-x. ISSN 1936-6442. S2CID 203197089.
  5. Alassaf, Norah; Gutub, Adnan; Parah, Shabir A.; Al Ghamdi, Manal (December 2019). "Enhancing speed of SIMON: A light-weight-cryptographic algorithm for IoT applications". Multimedia Tools and Applications. 78 (23): 32633–32657. doi:10.1007/s11042-018-6801-z. ISSN 1380-7501. S2CID 254858308.
  6. Islam, Shafkat; Badsha, Shahriar; Sengupta, Shamik (2020-09-28). "A Light-weight Blockchain Architecture for V2V Knowledge Sharing at Vehicular Edges". 2020 IEEE International Smart Cities Conference (ISC2). Piscataway, NJ, USA: IEEE. pp. 1–8. doi:10.1109/ISC251055.2020.9239055. ISBN 978-1-7281-8294-0. S2CID 226293739.
  7. Khan, Safiullah; Lee, Wai-Kong; Hwang, Seong Oun (2021). "AEchain: A lightweight blockchain for IoT applications". IEEE Consumer Electronics Magazine. 11 (2): 64–76. doi:10.1109/MCE.2021.3060373. ISSN 2162-2256. S2CID 234325223.
  8. Raguiata, Bah; Shi, Jihui; Dialikhatou, Barry (2022-08-29). "A Blockchain-based Lightweight Access Control Solution in the Healthcare Sector for Developing countries: A case from Conakry". doi:10.5281/zenodo.7030387. {{cite journal}}: Cite journal requires |journal= (help)
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