
Discovering SMPC through CTF Challenges
Ledger Donjon CTF 2020 - Creating challenges from vulnerabilities in SMPC implementation

Exploiting Smart Contracts in CTF Challenges
Ledger Donjon CTF 2020 - Creating smart contract challenges

KeepKey Hardware Wallet Under The Scope
A side-channel attack on the PIN verification of the KeepKey hardware wallet allows to retrieve the PIN of the device...

Lit by Laser: PIN Code Recovery on Coldcard Mk2...
How the Donjon performed a PIN code recovery on a Coldcard Mk2 wallet.

OLED screen (minor) vulnerability
Details on the side-channel vulnerability reported by Christian Reitter

Funds are SSSAFU - Stealing the funds of all HT...
How a bad implementation of Shamir Secret Sharing allows to steal all the cryptocurrencies stored on a HTC EXODUS 1...

Unfixable Seed Extraction on Trezor - A practic...
An attacker with a stolen device can extract the seed from the device. It takes less than 5 minutes and...

Extracting seed from Ellipal wallet
Ellipal is a hardware wallet based on air-gapped Android device, Our study showed that communication interfaces could be re-enabled