DIMCoin is Dead
In November 2020 several users on the Telegram group note that the August announcement about the substitution of HYBSE for ZEROTRADE has not happened as planned. A...
ELI5 Provably Fair Games
What is a provably fair game?
The answer lies at the heart of a whole new industry which has been developed around the transparent, decentralized, nature of the blockchain.
ELI5 Who is Nick Szabo?
Nick Szabo is an American cryptography specialist, known for pioneering work in digital currencies.
Considered by many to be the father of smart contracts, a concept he develop...
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 ...
Why the “fast” Ethereum sync is so slow
Why is the geth sync so slow?
I keep hearing this question again and again from Ethereum node operators. Why is it still so difficult to fully sync an Ethereum full node?
ELI5 Bitcoin Puzzle Transactions
As the name implies, Bitcoin puzzle transactions are created as a challenge and not for the usual purpose of monetary transfer.
Puzzles can be published for several reasons, in...
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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 configuration set up correctly, then you can run the ETL tool. Go to the Crypto.BI Toolbox installation directory and run: $ ./toolbox/db/blocks_to_sql > <output_file.sql> This […]
Bitcoin Blockchain MySQL Database Inserter Configuration
Toolbox tries to read configuration from $HOME/.cyptobi/cryptobi.conf If a config file is unavailable, then defaults will be applied. The order of precendence from highest to lowest is: Command line options override all others. Config file options override defaults. Program defaults. Environment Set CRYPTOBI_HOME environment variable to the directory where you cloned the Crypto.BI Toolbox from […]
Commented noui.cpp source code – Terminal interface to Bitcoin Core
We began our exploration of the Bitcoin Core source code from the Qt graphical user interface on down. We saw how the Qt signals and slots mechanism was used to handle signals from the underlying Bitcoin Core subsystems. Now we’ll take a look at the noui header and source to see how the user interface […]
C++ Bitcoin Blockchain to MySQL Database Interface
Crypto.BI Toolbox abstracts database access through a thin database access layer. Every database operation required to run the system has been made into a separate function in db/dao/CBDAODriver.h This traditional approach, used in many system architectures, allows us to switch storage solutions by creating new subclasses of CBDAODriver. For instance, if a graph database was […]