From a high level perspective this is how BLS (also known as Boneh–Lynn–Shacham) signature scheme works.
"The noblest pleasure is the joy of understanding" - Leonardo Da Vinci
"If you can't explain it simply, you don't understand it well enough" - Albert Einstein
Reminiscences of ... a loss
Trading
Never ask a trader how much he makes but how much he lost… here is a story…
[Read More]Personal email server
Linux
Given that GMail with cease to provide free hosting service for custom domains I've decided to deploy a fully featured personal email server and migrate everything to my Arch Linux box.
[Read More]SSH keys on USB
Linux
This is how I keep my SSH key(s) secure and offline, stored on encrypted USB flash-drive. After restart, unlock the drive on USB insert, automatically load the key then umount, lock, back to safety.
[Read More]Completion system
Emacs
Completion system
… vertico, consult, posframe, orderless, marginalia, projectile … corfu, cape, eglot, kind-icon … Ohhh my!
[Read More]Chess vs. trading
Trading
Just for fun (and maybe some profit) let's do a comparison (a bit far fetched) between chess and trading.
[Read More]From HDD to SSD w/ EFI boot
Linux
Oh, Oh! Santa is back in town and I bought myself a small gift to upgrade my Arch Linux garage server from HDD to SSD, here is the step-by-step how to…
[Read More]Segwit transaction by hand
Bitcoin
Lets hand craft a SegWit transaction using only built-in Python3 functions for hex/bytes manipulation and Sagemath for elliptic curves arithmetic.
[Read More]Price (HLC) breaks indicator
Trading
Maybe one of the most effective indicator that I use on daily basis, Price breaks.
Again and again you can see how previous day/week/month's high/low and especially close act as support/resistance and how price bounces off these levels.
[Read More]Use Linux kernel module
Kernel
In Part 1 I wrote a simple Linux kernel module, called World, in Part 2 I configured that module, now it's time to use that module from within kernel space (another kernel module).
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