In this course we initiate a hard fork of the bitcoin protocol and begin running a new version of the bitcoin core software while mining a new blockchain ledger. Forking bitcoin involves running a new version of the bitcoin core repository. One of the most intriguing developments in the bitcoin industry is the growing trend of forking. With this practice, individuals can inherit the technology of the original bitcoin implementation (bitcoin core) and introduce new technical specifications and parameters running on an entirely new software ecosystem. Already, many new “versions” of bitcoin have been created by forking the original source code. Many of these new implementations have targeted increased payment scalability and additional software use cases (such as the addition of a turing-complete scripting language). In this course, we will guide the student on how to initiate a hard fork of the original bitcoin core implementation in order to create their own adjacent (and completing) blockchain. This course is of particular interest to individuals:

  • creating their own cryptocurrency for investment and profitability potential
  • bringing new use cases for bitcoin and cryptocurrency to market
  • proposing methods to sustainably scale the bitcoin payment network

In this course, we will complete a “bare essential” hard fork of bitcoin core – meaning that we will target an upcoming block on the network timeline and create a parallel network with little or no new modifications to the source code. After we have familiarized ourselves with this procedure, we will attempt more advanced implementations such as:

  • alternative scaling methods (increasing the average block size and block data limit)
  • introducing a turing-complete scripting language to the blockchain platform (Solidity/JavaScript) for programmable applications
  • Examining and enabling previously disabled opt-codes (done for security purposes in the early stages of development)

Please note that this area of bitcoin research and blockchain development is at the cutting edge of industry. Therefore, we advise leaving room for making mistakes and also ask the student to understand that there will be many modifications to the course instructions contained within. Many courses available today in the bitcoin and blockchain industries target the programming of bitcoin but fail to deliver on how and why a developer may wish to experiment with these new internet protocols. In this tutorial on How To Fork Bitcoin, we will show the user not only how to create and run their own parallel network, but why we believe forking the existing software repository of bitcoin will be one of the prime opportunities for bringing new applications to market.

Course Objectives

Fork bitcoin.

Course Length

The length of the course is between 12 – 25 hours and can be taken at a moderate pace. The materials contained are intended for an advanced audience.

  • Course materials are accessible on desktop and mobile devices.
  • It can be taken at any time.
  • It can be taken as many times as you wish at your own pace.


  • Intermediate understanding of bitcoin and software engineering.

Recommended skills prior to taking this course

  • Intermediate understanding of software development environments and computer networking.
  • Basic understanding of internet protocols
  • Willingness to challenge existing beliefs and assumptions
Module 1 Introduction & Outline
Unit 1 Introduction to Bitcoin Forking
Unit 2 Running a Full Node
Unit 3 Technical Parameters
Unit 4 Implementing the Fork

How To Fork Bitcoin


In this instruction, we guide the student in creating their own blockchain network by introducing a software fork.

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