Soft fork vs. Hard fork: A Detailed Comparison –

Soft fork vs Hard fork A detailed comparison

With continuous technological advancements, most software users are aware of the ongoing maintenance and upgrades required to improve the efficiency of their programs. So you are unlikely to ignore it when the digital banking app on your device notifies you to update it. On the other hand, perhaps your smartphone will upgrade itself as soon as a network connection is available. And anyway, if you don’t download an upgraded version of the program, you could run into functionality problems and risk losing access to the program’s services.

The blockchain platform is based on a very similar update and improvement mechanism. However, decentralized applications, including blockchain-based cryptocurrencies, need a more complex methodology, while centralized network operators can quickly upgrade their software with Creative elements at the touch of a button.

For example, blockchains are decentralized open source systems with no centralized authority. The system update option therefore involves the consent of all users in the network. Fork is considered a unique method to update or improve a blockchain. Based on their function, forks are classified into two types: soft forks and hard forks.

But first, let’s define what is a blockchain fork and understand the difference between a soft fork and a hard fork.

Understanding Blockchain Forks

At the most beginner level, a blockchain is a collection of data blocks linked together by secure cryptographic keys to build a chain of blocks that extends back to the original blockchain.

Thus, it leads to envision the blockchain as a straight path made up of interconnected blocks. Since the blocks are linked together by an agreement that all blocks accept, each optimization for the system requires a modification in the consensus between the blocks. However, since the blocks are linked through a practically immutable set of protocols, the chances of achieving such a consensus are virtually impossible.

Therefore, instead of recreating each block, forks are often used to make modifications to a blockchain. A fork is an event on the blockchain platform in which the original program is copied and the relevant modifications are made to it. Furthermore, two blockchain platforms cannot coexist; thus, the new blockchain splits into two forks, creating a fork-like deviation from the main blockchain.

Who determines the fork formation?

According to blockchain experts, since there is no centralized entity running the blockchain, it is up to the members of the platform to decide the way forward and make modifications to improve the overall functionality and efficiency of the system.

Diverse groups of participants, ranging from miners and investors to full node developers, are different components in the blockchain. So who has the final say on what system improvements must be made? In addition, certain members have greater voting rights than others because each subgroup provides a substantial amount to the system.

For example, miners protect the system by allocating computing resources to validating blocks that potentially determine the integrity and dissemination of fork versions. Since miners will provide the computing resources needed to maintain the system, any version of the fork that miners approve is likely to prevail. Most open source blockchains allow overlap of tasks and thus a shared authority over the fork formation process. Other subset jobs include developers, who develop and optimize the underlying cryptographic script of blockchain technology, and full node consumers, who act as auditors. and the core of the platform, validating and maintaining records of the blockchain.

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What is Hard Fork?

Forks are modifications to the blockchain’s network algorithm that result in a split of the main blockchain network. If there is a situation where an old blockchain network has an active cryptocurrency on it, a fork on that blockchain will result in the formation of a parallel token on the newly forked blockchain network.

The provisions of blockchain rules are upgraded or changed during a hard fork, making the previous blockchain and the updated blockchain incompatible with each other.

This implies that the previous nodes will reject the recently upgraded blocks and the newer blockchain will run under the new rules which will continuously reject blocks from the old blockchain indefinitely. Software updates are “not backward compatible”, this method is often called.

For example, a hard fork was developed on the Bitcoin blockchain network due to disagreements by the Bitcoin community on the optimal way to scale the blockchain network. Individuals looking to expand the block size have been on one edge of the discussion. On the other side, however, community members opposed those changes. Those who wanted to grow the block size moved to the Bitcoin Cash fork, while those who did not want to upgrade remained on the original Bitcoin network. Thus, even though both currencies (Bitcoin and Bitcoin Cash) operate on separate blockchains, their histories are identical prior to the fork.

What is Soft Fork?

A hard fork is an upgrade that is not backward compatible with the blockchain, while a soft fork is a forward-compatible rule revision. The old blockchain will continue to accept blocks from the new enhanced blockchain platform as the fork is a backward compatible change, although the regulations have been revised due to the new upgrade.

Broadly speaking, a soft fork convinces the old blockchain network to accept the changed rules, thus allowing both upgraded and legacy blocks of transactions to be accepted at the same time.

A soft fork, unlike a hard fork, keeps the old blockchain alive by retaining two lanes with separate regulations and standards. The 2015 Bitcoin Segregated Witness (SegWit) protocol upgrade is an example of a successful implementation of a soft fork.

Before the SegWit upgrade, the Bitcoin system was somewhat more expensive ($30 per transaction) and time consuming. Additionally, signature information accounts for about 65% of transaction blocks, according to the developers of the SegWit upgrade. Therefore, SegWit advocates that the effective block size be increased from 1MB to 4MB.

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The goal of this improvement is to split or remove signature information from the blockchain’s per-block transaction data records, freeing up space to increase transaction yield per block. The previous Bitcoin blockchain was ready to receive new 4MB and 1MB blocks simultaneously after performing a soft fork.

The soft fork also allows old nodes to validate new blocks, thanks to a clever engineering approach that helps structure new rules without breaking old ones.

Difference between Hard Fork and Soft Fork

Blockchain and cryptocurrency communities are divided based on which fork is more appropriate to improve the blockchain network. While each type of fork offers advantages, the community is more interactive about the disadvantages and thus splits them.

Floppy forks are the lighter of the two, but they carry their own risks. The most obvious of these dangers is that corrupt individuals can operate a soft fork to fool consumers and miners enough to confirm transactions that violate blockchain regulations.

The full-node consumer acts as the verifier of the blockchain network, always preserving an entire copy of the blockchain network. They are responsible for ensuring that each new block follows the policies of the previous blockchain network. The reliability of the network could be threatened if a group of individuals on the Blockchain attempt to set new regulations without informing the platform’s full node participants.

Bitcoin, for example, maintains its decentralized character by having full clients and miners work individually with others and verify the authenticity of the ledger. This is how important economic rules such as double-spending prevention and Blockchain’s inflationary formula are reinforced. However, if unscrupulous miners convince consumers and full miners to pass blocks in violation of regulations, the blockchain could start accepting the wrong blocks, leading to platform failure. . As such, blockchain platforms have tried to mitigate this risk by ensuring all soft forks are publicly accessible.

In addition, the hard fork also leads to areas of interest to them. First, the hard fork is known for separating communities. This is because a hard fork, unlike a soft fork, has no middle ground. Second, many argue that hard forks are harmful because they divide the hashing power of the platform, reducing the overall reliability of the website as well as the overall processing power.

Which is more profitable: Soft Fork or Hard Fork?

Cryptocurrency exchanges and other business networks claim that hard fork and soft fork have separate purposes. While controversial hard forks can split the community, smart and well-planned hard forks can also lead to software changes that everyone adopts.

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The hard fork is replaced by a soft fork, which is more diplomatic and kinder. If the amendments are written in such a way that they do not conflict with the existing regulations, there is no need to worry about fragmentation.

Blockchain Conversion

Whatever form of fork is used, it is clear that important work must be done for a smooth transfer of blockchain upgrades and maintenance activities. Most blockchain miners and traders choose a hard fork because it reduces the risk of approving or mining invalid blocks.

The hard fork ensures that miners and traders on the blockchain are not left behind or deceived, especially while they are active. Although, the hard fork uses a lot of computer resources and is considered harmful to the development of digital currencies.

Soft forks, amid their growing uncertainty, provide a significantly faster alternative to blockchain software upgrades without consuming additional processing resources. Soft forks are often praised for their ability to roll out upgrades without causing a social rift.


Any program or software, like every blockchain network, requires an upgrade in order for the software to serve larger and larger goals. Hard forks and soft forks allow us to make decentralized software changes without the intervention of a central authority. Without the fork, networks would not be able to adopt new features, necessitating the use of a centralized system for total control.

If you want to dive deeper into the cryptosphere and know everything there is to know about it, then you’ve landed in the right place. The Blockchain Council some of the best blockchain certification courses by current industry standards. These courses are broadly designed to provide learners with training in blockchain theory as well as technology. In addition, these courses are also pocket-friendly. You just need to choose the one that best suits your requirements.

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