$ ctf42

#ed25519 CTF challenges

3 CTF challenges using ed25519 from 3 CTFs (2021–2026), 3 with writeups.

Crypto · 3

Often combined with

#torsion 1 #signing-oracle 1 #fault-attack 1 #crt 1

Challenges

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Challenge CTF Weight Category Has
Curvy_Wurvy Bearcat 2026 – Crypto files wu 1
Transfer FwordCTF 2021 24.42 Crypto files wu 1
pressure PlaidCTF 2022 93.67 Crypto files wu 1