The Cryptography behind AirDrop
How does AirDrop securely discover contacts nearby? A technical walkthrough of the cryptographic protocols behind Apple AirDrop, explained for everyone.
Being a digital nomad, the Bilan
Two years of being a digital nomad as a full-time bug bounty hunter. The full review: what worked, what did not, and what comes next.
Being obsessed with something, Kaizen and learning by building
From Osaka and Kyoto, Cassim reflects on what it means to be obsessed with something, the Kaizen approach to continuous improvement, and why building things is the fastest way to learn.
Osaka, Universal Studio, and working on vacation
First time in Osaka, riding the Shinkansen, visiting Universal Studio, and figuring out how to keep a weekly writing habit alive while on vacation in Japan.
Back in Japan, a new remote setup and Cursor AI
Landing back in Tokyo for the summer, setting up a new remote work configuration, and testing Cursor AI for development. Less technical, more travel, but the weekly habit stays.
Motivation, Choosing the right program, Running
Not every week is productive. Cassim discusses motivation struggles as a solo worker, why he gave up a private program he loved, and squeezing in a running race before heading to Asia.
First Year full-time and no mouse setup
A full review of Cassim's first year as a full-time bug bounty hunter since September 2023, with figures, honest thoughts, and a new no-mouse productivity experiment.
Public programs, working on vacation, and setup
Getting back to a public bug bounty program, struggling with procrastination as a solo remote worker during summer, and evolving the work setup to stay productive.
Cryptography, Grehack and PGP
Exploring cryptography and PGP, preparing for a 2-month trip to Japan and South Korea, and reflecting on whether specializing in a specific security field is the right call.
Vacation, Expertise, and Thoughts
Working from the beach with friends, reflecting on what expertise really means, and figuring out how to lead a career in bug bounty. A week of thinking more than hacking.