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Programming

In the Programming section we discuss software development, programming languages, compilers, coding techniques and related subjects.

Although our emphasis is on cryptography, cryptocurrencies and information security, you’ll also find general software development topics in this section.

Bitcoin Blockchain SQL Schema for MySQL
This SQL schema was created for Crypto.BI Toolbox. The same, or similar, SQL schema can be used by anyone exploring Bitcoin with the help of a MySQL RDBMS. Although we didn't ...
Bitcoin Blockchain to MySQL Insertion Tool
Crypto.BI Toolbox comes with a raw .dat block file to MySQL insertion tool called blocks_inserter. To use it, first you'll need to generate the MySQL schema on your local serve...
cavax – Experimental C language tools for AVAX Avalanche exploration
cavax is an experimental implementation of C language utils for the exploration of the Avalanche AVAX protocol. Initially, cavax supports limited networking and basic passive f...
Scrape AVAX network peers using avax-python
P2P networking is the single most important technical functionality in all cryptocurrency implementations. The decentralized nature of Bitcoin, AVAX, Ethereum and others requires ...
avax-python Implementation Notes
Here you'll find a few implementation notes about avax-python. This is mainly targeted at developers who wish to work on the Python source code. Python <- Go Golang objec...
avax-python Network Message Pipeline
Here's a short overview of the avax-python Avalanche message pipeline. We've followed the reference Go implementation as closely as possible, but the Python code is still in ve...
256 Bit Integer commented uint256.cpp from Bitcoin Core source code
If you've developed systems in C or C++ before then you're probably familiar with the stdint.h (cstdint for C++) typedefs. Since there'a lot of variation between platforms, stdint...
A program to send and handle every UNIX signal
While playing around with errno I decided to test what happens if I sent (and handled) every possible UNIX signal to a program. Running this as a non-root user, I figured I co...
optional.h a pre-C++17 optional type in the Bitcoin source code
optional.h is a stub that'll likely get removed from Bitcoin Core at a future date when C++ 17 gets formally adopted for the entire project. By reading the Bitcoin Core sources...
Bitcoin Blockchain to MySQL ETL Tool
Crypto.BI Toolbox comes with an ETL tool that allows you to extract data from the block DAT files and import the blockchain into MySQL. If you got the blocks directory configur...

See Also

AVAX Staking tutorial – How to begin staking Avalanche [Early AVAX staking, in 2020]
Note: This is an article from Avalanche’s early days, back in 2020, before the mainnet went live! Back then there were no staking instructions available. In fact, we published this tutorial based on our own testnet experience, before it was even possible to move coins on the mainnet!!! We’ve kept this article in its original […]
ELI5 What is the Avalanche Protocol? [AVAX]
Avalanche is a next generation, post-Nakamoto consensus mechanism which was designed to incorporate the best features of previously existing protocols and add some of its own. Note: Avalanche is both the name of a consensus mechanism and the name of the DeFi platform that was built on top of it. Today, the term Avalanche refers […]
Building the Haskell cardano-node on Linux
tl;dr; Jump straight to the build instructions The Details Looking forward to the Haskell mainnet, the next step in the Cardano project, I’ve begun exploring the cardano-node Haskell implementation. I find that exploring source code is much easier if you actually watch the program run for a while. So, the first thing a developer has […]
Avalanche Q4 will be HUGE!!!
Unless you’ve been living in a cave, you may have heard all the buzz about Avalanche Q4. Yeah I’m kinda guilty of shilling it myself!!! But what is it all about? Is it just hype? Or is there substance to all this bullish sentiment? tl;dr; Like all things Avalanche, it’s not just hype. This is […]
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