Codeminer42's Engineering Blog

Cybersecurity

ColdCard’s RNG: what about your passphrase?
August 7, 2026 · 13 min read · by Rômulo Storel
A complement to Fabio Akita's post on the Coinkite RNG problem (in Portuguese), aimed at people who used a BIP39 passphrase and at the question left hanging: did it protect…
[Dev Weekly #117] Open Models Hit Frontier Parity at Half the Cost | AI Agents Go Enterprise | Qualcomm’s $4B AI Bet
July 3, 2026 · 3 min read · by Gabriel Quaresma
HELLO EVERYONE!!! It's July 3rd, 2026, and you are reading the 117th edition of Codeminer42's tech news report. Let's check out what the tech world showed us this week! Qualcomm…
Privacy on Rails
April 30, 2026 · 18 min read · by Talysson Oliveira
On a calm and peaceful day, you're working on your project, combobulating, discombobulating... then this email shows up in the contact inbox: From: notthatdhh@example.com To: contact@yourcompany.com Cc: veradikt@somelawfirm.com Subject: I'm…
[Dev Weekly #102] Claude launches automated PR reviews, new Node.js release and Vite 8 Speed Boost
March 13, 2026 · 5 min read · by Gabriel Quaresma
HELLO EVERYONE!!! It’s March 13th, 2026, and you are reading the 102nd edition of Codeminer42’s tech news report. Let’s check out what the tech world showed us this week! The…