Changeblock security record
As of 3 Nov 2026, Changeblock has 3 audit reports by 2 security firms on Trustblock; the latest is by EtherAuthority, dated 5 Jul 2022. Those reports list no open critical findings. It also holds 1 deployed contract on 1 chain.
Record last updated . It holds audits, findings and contracts up to Nov 2026, and incidents up to Oct 2026. Trustblock does not review code.
Audits3
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| Changeblock Protocol Smart Contract Audit | Security firm: EtherAuthority | Date: | Scope: 1 address on Polygon (POS) | 1 critical finding, fixed | Open · IPFS |
| Changeblock | Security firm: SolidProof | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
| Changeblock | Security firm: SolidProof | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
Findings20
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 1 |
| High | 0 | 0 | 0 |
| Medium | 0 | 0 | 1 |
| Low | 16 | 0 | 2 |
Low#1: Contract doesn’t import npm packages from source (like OpenZeppelin etc.)Changeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#1: floating pragma is setChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#1: Not emitted eventChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#1: Recommendation: Change state variable before transferringChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#2 •: If condition is not callable after somebody else is investing are backed by real-world assets and issue replacementsChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#2: floating pragma is setChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#2: State variable visibility is not setChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#3: Missing Zero Address Validation (missing-zero-check)Changeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#3: State variable visibility is not setChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#4: Local variables shadowingChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportShow 6 more
Low#4: State variable visibility is not setChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#5: Local variables shadowingChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#5: Missing Events ArithmeticChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#6: SubtractChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#6: Transferring ownership is missingChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportLow#7: Same length of parametersChangeblock · SolidProof · 4 Jul 2022Open
The report gives no description here.
Open the reportContracts1
| Address | Chain | Source code |
|---|---|---|
| 0x0000000000000000000000000000000000000000 | Chain: Polygon (POS) | Source code: Verified source |
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