Trail of Bits

VeChain VeChainThor Hayabusa Upgrade

Type

Security review

Client

VeChain

Date

2025-10

Domain

Blockchain

Effort

6 wks

Section

Ethereum/EVM

Trail of Bits's security review of VeChain (Oct 2025) identified 3 issues: 2 high, and 1 informational.

Findings · 3

  1. 1 Staker contract balance invariant can be broken using SELFDESTRUCT High
  2. 2 DPoS is vulnerable to significant centralization risk High
  3. 3 Short cooldown and short staking cycles increase validator churn Informational

Findings extracted from the published report PDF. See the full report below for details and remediation.

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