ChainLink Token (LINK) security audit, conducted by the Callisto Network Security Department in April 2019.
ChainLink Token (LINK) Specificities
Symbol : LINK Name : ChainLink Token Total supply: 1,000,000,000 Decimals : 18 Standard : ERC677
Number of lines:
ChainLink (LINK) Smart Contract Security Audit Report
Are Your Funds Safe?
1. In scope
In total, 2 issues were reported including:
- 2 low severity issues.
No critical security issues were found.
2.1. Known vulnerabilities of ERC-20 token
- It is possible to double withdrawal attack. More details here.
- Lack of transaction handling mechanism issue. WARNING! This is a very common issue and it already caused millions of dollars losses for lots of token users! More details here.
Add the following code to the
transfer(_to address, ...)function:
require( _to != address(this) );
2.2. No zero address checking
- In functions
transfer(Line 81) and
transferFrom(Line 118) there are no zero address checking.
The audited smart contract can be deployed. Only low severity issues were found during the audit.
4. Revealing audit reports
Trust The Blockchain, Audit Your Smart Contracts.
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