Is twenty-first safe to use?

twenty-first has no known vulnerabilities on the latest version (1.1.0). DepScope rates its health at 62/100 (moderate risk).

What is the latest version of twenty-first?

The latest version of twenty-first is 1.1.0, released 2026-01-16.

No known vulnerabilities on the latest version of twenty-first.

No, twenty-first is actively maintained. Latest release: 1.1.0 (2026-01-16).

Popular alternatives to twenty-first in Cargo include: hashbrown, getrandom, windows-sys, syn.

twenty-first is licensed under GPL-2.0.

cargov1.1.0

Collection of mathematics routines and cryptography for the twenty-first century.

License GPL-2.0strong copyleft74 versions0 deps6,888 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 62/100)

Health breakdown0 – 100

15/25

maintenance

6/20

popularity

25/25

security

15/15

maturity

1/15

community

Vulnerabilities

none known

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/twenty-first