Gartner Research

Innovation Insight for Blockchain Security

Published: 09 February 2019

ID: G00375390

Analyst(s): Mark Horvath , David Mahdi , Jonathan Care


Blockchain technology has the potential to become a major trust enabler; however, it presents both solutions and new problems in the information security landscape. Security and risk management leaders need to understand the security benefits and risks being offered by this disruptive technology.

Table Of Contents


  • Definition
  • Description
    • Decentralized Consensus
    • The Blockchain and Ancillary Blockchain Services
    • Smart Contracts
    • Trusted Computing and Trustless Transactions
    • Consensus Mechanisms: Proof of Work/Proof of Stake
    • Decentralized Trust Models: Permissioned, Consortium and Public Approaches
  • Benefits and Uses
    • Mitigating Trust and Transparency Issues
    • Managing and Ensuring the Integrity of Digital Assets
    • Increasing Fault Tolerance and Resilience
  • Risks
    • Marketing Hype and an Inconsistent Definition
    • Scalability and Response Time
    • Blockchain Is Not Immune to Cyberattacks or Fraud
    • The Difficulty in Assessing Risk and Exposure Across the Range of Blockchain Offerings
  • Recommendations
  • Representative Providers

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