Efficient Local Secret Sharing for Distributed Blockchain Systems

Yongjune Kim, Ravi Kiran Raman, Young Sik Kim, Lav R Varshney, Naresh R Shanbhag

Research output: Contribution to journalArticle

Abstract

Blockchain systems store transaction data in the form of a distributed ledger where each peer is to maintain an identical copy. Blockchain systems resemble repetition codes, incurring high storage cost. Recently, distributed storage blockchain (DSB) systems have been proposed to improve storage efficiency by incorporating secret sharing, private key encryption, and information dispersal algorithms. However, the DSB results in significant communication cost when peer failures occur due to denial of service attacks. In this letter, we propose a new DSB approach based on a local secret sharing (LSS) scheme with a hierarchical secret structure of one global secret and several local secrets. The proposed DSB approach with LSS improves the storage and recovery communication costs.

Original languageEnglish (US)
Article number8571305
Pages (from-to)282-285
Number of pages4
JournalIEEE Communications Letters
Volume23
Issue number2
DOIs
StatePublished - Feb 1 2019

Fingerprint

Secret Sharing
Distributed Systems
Costs
Communication
Communication Cost
Cryptography
Recovery
Secret Sharing Scheme
Denial of Service
Storage System
Encryption
Transactions
Attack

Keywords

  • Blockchain
  • distributed storage
  • secret sharing

ASJC Scopus subject areas

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Efficient Local Secret Sharing for Distributed Blockchain Systems. / Kim, Yongjune; Raman, Ravi Kiran; Kim, Young Sik; Varshney, Lav R; Shanbhag, Naresh R.

In: IEEE Communications Letters, Vol. 23, No. 2, 8571305, 01.02.2019, p. 282-285.

Research output: Contribution to journalArticle

Kim, Yongjune ; Raman, Ravi Kiran ; Kim, Young Sik ; Varshney, Lav R ; Shanbhag, Naresh R. / Efficient Local Secret Sharing for Distributed Blockchain Systems. In: IEEE Communications Letters. 2019 ; Vol. 23, No. 2. pp. 282-285.
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