Things that use Ed25519

Updated: April 18, 2024

Here's a list of protocols and software that use or support the superfast, super secure Ed25519 public-key signature system from Daniel J. Bernstein, Niels Duif, Tanja Lange, Peter Schwabe, and Bo-Yin Yang.

This page is organized by Protocols, Networks, Operating Systems, Hardware, Software, SSH Software, TLS Libraries, NaCl Crypto Libraries, lib25519, Libraries, Miscellaneous, Timeline notes, and Support coming soon.

You may also be interested in this list of Curve25519 ECDH deployment.



Operating systems

Software projects signed with Ed25519



SSH Software

DNS Software

Signify software

This section is for OpenBSD signify ported to Linux and other operating systems.

Minisign software and libraries

Minisign is compatable with signify.

TLS Libraries

NaCl Crypto Libraries

For cryptographic libraries in the NaCl family, including TweetNaCl, uNaCl, and libsodium, as well as wrappers, bindings, and ports.


lib25519 "is a microlibrary for the X25519 encryption system and the Ed25519 signature system" that can be used directly in C or called by libraries in other languages using FFI. See the website for more information.

PASETO libraries

Be sure to consult the PASETO website for the best information.

PASETO v4 libraries

PASETO v2 libraries

PASETO plugins


Other Libraries

Cryptocurrencies, blockchains, and ledgers


Timeline notes

Ed25519 support coming soon!

"Powered by Ed25519"