Identity
Layer Review

Product review

Trusta Labs Sybil attack prevention review

Trusta Labs’ TrustScan evaluates address activity on a specified chain. Its Sybil-risk output helps review wallet cohorts; TrustGo’s MEDIA reputation score serves a different purpose and should not be substituted for a Sybil verdict.

8.8 / 10

Editorial score

Evidence layer
Wallet analysis
Free access
Application-approved 1,000-call trial documented
Paid entry
Request current commercial terms

Key facts

Input and output
The documented Sybil Score API accepts an address and chain ID and returns a Sybil score, risk level and sub-scores. Source ↗
Sparse history
The usage guide defines an Unknown result for insufficient on-chain activity. Unknown must remain distinct from a favorable risk result. Source ↗
Access
Trial access requires an application and approval. The guide specifies 1,000 calls each for Sybil and MEDIA scoring; confirm current chain coverage, quotas and contract terms. Source ↗

Strengths

  • An on-chain view can assess a pre-existing address cohort without requiring the original browser visit.
  • Separate Sybil risk and MEDIA reputation outputs make the intended decision explicit.
  • Documented sub-scores and sparse-history handling support a structured review.

Limitations

  • On-chain results do not observe the device that performed a claim.
  • The published API guide describes a version released in 2023; confirm current versions, supported chains and commercial limits.
  • A positive wallet history does not establish one unique human or rule out coordinated activity.

Who it fits

Campaigns with wallet histories to analyze before an allowlist, token allocation or investigation.

Use the alternatives by evidence layer to compare a different assertion, participant journey or operating model.

What the score means

The 8.8 out of 10 score is an editorial assessment under the same 34-criterion, six-category framework. The rubric emphasizes live coordination prevention and practical application fit; it is not a separate ranking of pure wallet analytics or personhood assurance.

The award and score are distinct. Read all criteria and relative weights and verify the evidence layer required for your campaign.

How to evaluate it

Evaluate known coordinated and legitimate address cohorts on the same chains. Keep Unknown cases separate, and inspect returned reasons rather than importing a score cutoff without calibration.

Apply for TrustScan API access

Application review precedes a trial key. Confirm the current endpoint and supported chains before implementation.

Open evaluation route

Sources and further reading

FAQ

Is MEDIA Score the same as Sybil Score?

No. MEDIA measures on-chain value and reputation; TrustScan Sybil Score addresses Sybil risk. Select and interpret the output required for the campaign.

Does Unknown mean the wallet is safe?

No. The usage guide uses Unknown when on-chain activity is insufficient. Route those cases to an appropriate alternative verification or review process.

Is the API completely open and unlimited?

The documented trial is application-approved and limited. Confirm the live plan, rate limits, chains and pricing with Trusta Labs.

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