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neptune

v13.0.0 Growing

Poseidon hashing over BLS12-381 for Filecoin.

MIT OR Apache-2.0 Edition 2021 MSRV 1.66.1

Quick Verdict

  • βœ•Not updated for 2+ years
  • βœ“Stable API (13.x for 6+ years)
  • βœ“Trusted by 248 crates
  • !Heavy dependency tree (26 direct deps)
  • βœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
2.3M
Dependents
248
Releases
59
Size
5.7MB

Deep Insights

πŸ“ˆ
Strong growth momentum

147.1K downloads in the last 30 days (4.9K/day), up 29% from the previous period.

πŸ”—
Moderate adoption

248 crates depend on neptune. Reasonable ecosystem adoption, though not yet a core dependency.

βœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 59 releases. This level of maturity means you can depend on it without worrying about breaking changes.

πŸ“¦
Heavy dependency tree

26 direct dependencies. Consider the impact on compile times and supply chain complexity.

πŸ“
Large crate size

5.7MB is relatively large. May impact download and compile times.

🌟
Used by top crates

Notable dependents include storage-proofs-porep, filecoin-hashers, storage-proofs-update, fastcrypto-zkp, lurk. When high-quality crates choose neptune, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 10/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
4K/day avg+75%
02K4K6K8K10K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v13.0.0
84%
v11.0.0
9%
v8.0.0
3%
v7.0.0
2%
v5.1.0
2%

Release Timeline

59 releases4 yankedsince 2020
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2020
36
2021
6
2022
10
2023
7
2024
2025
2026
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Yanked

Feature Flags

default =["bls", "pasta"]

bls*cudapasta*arity2arity4arity8openclarity11arity16arity24arity36portableabomonationstrengthened

README

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Maintainers

Dependencies
26
direct dependencies
Dependents
248
crates depend on neptune