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zksync-ethers

4
Versions
License
No
Install Scripts
Verified
Provenance

Supply chain provenance

Status for the latest visible version.

SLSA provenance attestation npm registry signatures gitHead linked

Maintainers

npm-matterlabs

Keywords

zksyncweb3ethereumlayer2

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
source-diff encoded-string-file:build/utils.js AI (source-diff): Long hex strings are serialized Ethereum transaction examples in JSDoc comments, not obfuscated payloads. ai
semgrep semgrep:shady-links-raw-ip AI (semgrep): 127.0.0.1:3050 is the documented local ZKSync node default; stable false positive for this package. ai

Versions (showing 4 of 4)

Version Deps Published
6.21.2 0 / 16
6.21.1 0 / 16
5.11.2 1 / 16
5.11.1 1 / 16

v6.21.2

2 findings
HIGH Publisher changed: npm-matterlabs → GitHub Actions (on 2026-05-18) provenance

This version was published by a different npm account than previous versions on 2026-05-18. This could indicate a legitimate maintainer transition or an account compromise.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v6.21.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v5.11.2

2 findings
HIGH Long encoded string in modified file: build/utils.js source-diff

Modified file contains 8 long encoded string(s) (200+ chars). These are commonly used to hide malicious payloads.

INFO Has SLSA provenance attestation provenance

Published via CI/CD with Sigstore attestation (predicate: https://slsa.dev/provenance/v1). This is the strongest supply chain integrity signal.

v5.11.1

1 finding
LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.