Decentralized meta-learning

We all know the binary system but a few heard about ternary (trinary) system; one of the first computer in Soviet Russia was using ternary system but it went out of fashion and binary system took over. [Read More]

ternary trinary binary bit trit byte tryte

Generate IOTA address

IOTA

| 6 minutes | 1074 words | Iulian Costan

Generate IOTA address using plain old Python, starting with random seed, derive private key, and finally the checksum and address. [Read More]

iota address generation crypto python

Interest rate

Finance

| 5 minutes | 1059 words | Iulian Costan

Albert Einstein: "Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn't … pays it. [Read More]

finance math interestrate compound 72

Algebraic structures: Set, Group, Ring

Math

| 5 minutes | 1009 words | Iulian Costan

The easiest way to understand algebraic structures, starting with basic structure called Set and incrementally add properties on top of it to build more complex structures. [Read More]

math set group ring field algebra

Generate Ethereum Address

Ethereum

| 3 minutes | 499 words | Iulian Costan

Generate Ethereum address from private key using plain old Python3, Elliptic Curve multiplication from SageMath and of course Keccak hash function. [Read More]

ethereum address generation python crypto

Session breaks

Trading

| 1 minutes | 78 words | Iulian Costan

The most successful indicator so far is "Session breaks" that renders vertical lines for open hour of each trading session. [Read More]

trading indicator tradingview pivotpoints USDJPY

First USA visit

Travel

| 2 minutes | 280 words | Iulian Costan

It's been 20 fuckin' years since I set foot on the US soil for the very first time… [Read More]

travel usa texas austin houston nasa sanantonio 2000

Hash functions

Cryptography

| 6 minutes | 1068 words | Iulian Costan

In simple terms, hash functions transform input data of arbitrary size (e.g. text, binary, etc) to fixed-length output (called hash value, hash code, fingerprint, message digest or simply hash) in a deterministic way. [Read More]

cryptography hash digest mdc mac preimage collision

Configure Linux kernel module

Linux

| 4 minutes | 800 words | Iulian Costan

In "Write Linux kernel module" blog post I created a simple Hello World module, now it's time to configure it and there are 3 main ways to do it: [Read More]

linux kernel module c ioctl kbuild makefile

Organizing work/life projects

Productivity

| 3 minutes | 507 words | Iulian Costan

Here is my simple yet powerful organization style, it might not work for every person but it works for me and this is the most imporant after all, to find your own productivity style. [Read More]

productivity agenda journal pomodoro emacs