Gartner Research

Innovation Insight for Blockchain Security

Published: 25 August 2017

ID: G00340385

Analyst(s): Jonathan Care , David Mahdi


Blockchain has the potential to become a significant trust enabler. However, solutions are unclear, standards have yet to coalesce and regulation is fragmented. Security and risk management leaders must make informed technology decisions aligned with organizational risk acceptance.

Table Of Contents


  • Definition
  • Description
    • Decentralized Consensus
    • The Blockchain (and Ancillary Blockchain Services)
    • Smart Contracts (and Smart Assets)
    • Trusted Computing and Trustless Transactions
    • Consensus Mechanisms: Proof of Work/Proof of Stake
    • Decentralized Trust Models: Permissioned, Permissionless and Consortium 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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