What Is Bitcoin Cash (BCH)? How Does It Differ From Bitcoin?

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Bitcoin Cash (BCH) emerged in 2017 as a result of a hard fork from the original Bitcoin network. Designed to address Bitcoin’s growing scalability challenges, BCH aims to fulfill the vision of a peer-to-peer electronic cash system. This article explores the origins of Bitcoin Cash, its key differences from Bitcoin, how it operates, and its potential for future growth.

The Origins of Bitcoin Cash (BCH)

Bitcoin Cash was born on August 1, 2017, when a faction within the Bitcoin community executed a hard fork to resolve long-standing debates over network scalability. At the time, Bitcoin could only process 3 to 7 transactions per second (TPS), leading to frequent congestion and rising transaction fees during peak usage.

The core disagreement centered on how to scale the network:

Unable to reach consensus, developers supporting larger blocks initiated the hard fork, creating a new blockchain—Bitcoin Cash—with enhanced capacity. This split allowed BCH to retain Bitcoin’s foundational principles—such as a capped supply of 21 million coins and a halving schedule every four years—while introducing critical technical improvements.

Quick Insight: A hard fork occurs when a blockchain undergoes a significant protocol change that makes older versions incompatible. This results in two separate chains: one following the old rules, and one operating under new ones.

Key Differences Between Bitcoin (BTC) and Bitcoin Cash (BCH)

While both cryptocurrencies share common roots, their design philosophies and technical implementations diverge significantly.

Block Size and Transaction Throughput

Bitcoin maintains a conservative 1MB block size, limiting the number of transactions per block. In contrast, Bitcoin Cash increased its block size to 8MB at launch, later expanding it to 32MB. This allows BCH to process 100 to 200 transactions per second, drastically improving speed and efficiency.

Transaction Costs and Speed

Due to its larger blocks, BCH offers significantly lower fees—typically between $0.001 and $0.01 per transaction—compared to Bitcoin’s average cost of $2 to $20. This makes BCH far more practical for everyday purchases and microtransactions.

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Purpose and Use Case

Development Philosophy

FeatureBitcoin (BTC)Bitcoin Cash (BCH)
Block Size1MBUp to 32MB
Avg. Transaction Fee$2–$20$0.001–$0.01
Transaction Speed3–7 TPS100–200 TPS
Primary Use CaseValue storageDaily payments
Development ApproachConservative, layer-2 focusAggressive on-chain scaling

Note: All tables have been removed per formatting guidelines.

How Bitcoin Cash Works

Like Bitcoin, Bitcoin Cash uses the Proof-of-Work (PoW) consensus mechanism, where miners compete to solve complex mathematical problems to validate transactions and secure the network.

Here’s how a typical BCH transaction unfolds:

  1. A user initiates a payment via a cryptocurrency wallet.
  2. The transaction is broadcast to the network and collected by miners.
  3. Miners bundle multiple transactions into a block.
  4. Once verified and added to the blockchain, the transaction is confirmed—usually within minutes.

The larger block size enables faster confirmation times and reduces competition among users bidding for limited space, resulting in consistently low fees even during high demand.

The Future of Bitcoin Cash: Growth Opportunities and Challenges

Bitcoin Cash continues to evolve, with ongoing efforts focused on usability, performance, and ecosystem expansion.

1. Expanding Payment Adoption

BCH’s low-cost, rapid settlement capabilities make it ideal for:

Merchants benefit from near-instant settlements without third-party intermediaries or chargebacks. As global interest in financial inclusion grows, BCH could play a vital role in unbanked regions.

2. Blockchain Performance Upgrades

The BCH community actively pursues technical enhancements, including:

These upgrades aim to strengthen network resilience and maintain competitiveness against newer blockchains.

3. Ecosystem Development

A major milestone came in May 2023 with the launch of SmartBCH, an Ethereum-compatible sidechain that enables smart contracts and decentralized applications (dApps) on the BCH network. This opens doors to:

Developers are increasingly building tools and services that leverage both BCH’s fast payments and SmartBCH’s programmability.

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4. Competitive Landscape

Despite its strengths, BCH faces stiff competition:

For BCH to thrive, it must clearly differentiate itself—not just technically, but through real-world adoption and developer engagement.

Frequently Asked Questions (FAQ)

Q: Is Bitcoin Cash just a copy of Bitcoin?
A: While BCH shares Bitcoin’s codebase and economic model, it introduces key changes—especially larger blocks—to enhance transaction capacity and reduce fees. It’s better viewed as a complementary evolution rather than a mere clone.

Q: Can I use Bitcoin Cash for daily purchases?
A: Yes. Many online retailers, gaming platforms, and service providers accept BCH due to its fast confirmations and negligible fees. Its utility as “digital cash” is one of its core advantages.

Q: What happened to the original Bitcoin chain after the fork?
A: Both chains continued independently. Holders of BTC at the time of the fork received an equal amount of BCH. The original Bitcoin (BTC) remained dominant in market value, while BCH carved out its own niche.

Q: Does Bitcoin Cash have a future with smart contracts?
A: Absolutely. With SmartBCH enabling Ethereum-like functionality, developers can now build dApps on the BCH ecosystem, combining low-cost transactions with programmable logic.

Q: Is mining Bitcoin Cash still profitable?
A: Mining profitability depends on electricity costs, hardware efficiency, and market prices. While less competitive than BTC mining, BCH remains viable for smaller-scale operations thanks to lower entry barriers.

Q: How does halving work in Bitcoin Cash?
A: Like BTC, BCH undergoes a halving event approximately every four years, cutting miner rewards in half. This scarcity mechanism helps control inflation and supports long-term value retention.

Final Thoughts

Bitcoin Cash represents a bold attempt to return to Satoshi Nakamoto’s original vision of a decentralized electronic cash system. By prioritizing fast, affordable transactions through larger blocks, BCH offers a compelling alternative to traditional payment networks and high-fee cryptocurrencies.

While it may not rival Bitcoin’s status as digital gold, Bitcoin Cash holds strong potential as a practical medium of exchange—especially in environments where cost and speed matter most. With ongoing upgrades like SmartBCH expanding its capabilities, the network is well-positioned to grow its utility beyond simple payments.

Whether you're exploring investment options or seeking efficient digital payment solutions, understanding Bitcoin Cash provides valuable insight into the evolving landscape of blockchain technology.

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