TL;DR: This post makes the point that on average open-source crypto is not safer than closed-source crypto, based on the author’s experience. YMMV. An idea
Author: JP Aumasson
Audit of Tangem’s smartcard wallet code
Tangem provides “smart banknotes for digital assets”, as smart card storage media for Bitcoin private keys with basic wallet functionality. Tangem hired Kudelski Security to perform
Audit report of Monero’s bulletproofs integration
Monero is a decentralized, open-source cryptocurrency that provides strong privacy protections thanks to state-of-the-art cryptographic components. Monero is deploying a new version of its protocol,
2017 Black Hat challenge source
Last year before Black Hat we organized a crypto challenge and gave out 10 ETH to the winners. The goal of the challenge was to
Wire applications audit (with X41 D-Sec)
Last year Kudelski Security’s JP Aumasson and X41 D-Sec‘s Markus Vervier were hired to audit Wire‘s cryptography core, the Proteus library. After this audit of the crypto, Wire wanted a
Blockchain: where to start
People often contact me to ask about “the blockchain”—where the definite article ‘the‘ tells a lot about their experience with c̶r̶y̶p̶t̶o̶ blockchains. My answer will