What is Bitcoin Cash (BCH)?

Bitcoin Cash (BCH) is a decentralized, peer-to-peer electronic cash system designed to make sending and receiving money fast, inexpensive, and globally accessible. Launched in 2017 as a hard fork of Bitcoin, it preserves Bitcoin’s fixed supply and Proof-of-Work security while scaling throughput directly on-chain to support everyday payments – from international remittances to retail purchases to micro-transactions.

To start using Bitcoin Cash today, download the Bitcoin.com Wallet app – a secure, user-friendly self-custodial wallet for storing, sending, and accepting BCH worldwide.

Overview

Bitcoin Cash launched on August 1, 2017, as a hard fork of the Bitcoin (BTC) blockchain. The split was the result of a long-running disagreement within the Bitcoin community about how the network should scale. One side supported a path centered on small blocks + SegWit + off-chain solutions (Lightning Network). The other believed Bitcoin should scale on-chain, directly increasing block capacity to allow higher throughput and lower fees.

Supporters of the on-chain approach initiated a chain split, giving rise to Bitcoin Cash, a network designed to maintain Bitcoin’s original purpose as outlined in the 2008 whitepaper:

“A purely peer-to-peer version of electronic cash.”

Since launch, BCH has continued to evolve, adding technologies such as CashTokens, CashFusion, CashShuffle, and efficiency improvements that keep the network fast, affordable, and reliable.

Today, Bitcoin Cash is widely used for payments, remittances, merchant transactions, and new applications built directly on its chain.

Why Bitcoin Cash Was Created

The Bitcoin Cash fork happened because of a fundamental question:

Should Bitcoin scale directly on-chain?

From 2015 to 2017, Bitcoin’s limited block size (1 MB) caused:

• Network congestion
• Unpredictably high fees
• Slower confirmation times during peak demand
• Reduced ability to function as “everyday money”

Some developers, entrepreneurs, and early Bitcoin advocates – including Roger Ver, one of the earliest investors and evangelists of Bitcoin – supported increasing block capacity to keep Bitcoin fast and inexpensive to use.

When consensus was not reached, the community split.
BCH adopted larger blocks, enabling far more on-chain transaction throughput.

Beyond technical scalability, Bitcoin Cash was created around the idea that money should empower individuals directly. By enabling people to store and exchange value without reliance on centralized institutions, Bitcoin Cash is designed to support financial autonomy, censorship resistance, and global economic participation on an open, permissionless network.

How Bitcoin Cash Works

Blockchain Architecture

Bitcoin Cash uses the same fundamental architecture as Bitcoin:

These parameters preserve Bitcoin’s monetary properties while enabling BCH to follow a different path in terms of scaling.

Block Size and Throughput

The defining feature of BCH is its 32 MB block size limit, far larger than Bitcoin’s ~1 MB base block.

Larger blocks mean:

• More transactions per block
• Lower fees, even during high demand
• Faster confirmations
• Higher throughput (hundreds of transactions per second in practice)

This allows BCH to function as everyday digital cash without relying on secondary networks.

Transaction Fees

Fees on Bitcoin Cash are typically fractions of a cent.
Even during periods of heavy use, fees remain extremely low due to ample block space.

For example:

• Sending $10 to a friend → ~$0.0005 fee
• Paying a merchant → typically under one cent
• Cross-border transfer → still under a cent

This fee environment is essential for micro-transactions, tipping, gaming, and remittances.

Instant payments and Replace-by-Fee (RBF)

Unlike Bitcoin, Bitcoin Cash does not use Replace-by-Fee (RBF) by default. This design choice makes unconfirmed transactions significantly more reliable for everyday payments, allowing merchants and users to safely accept small transactions with near-instant settlement. Subsequent protocol upgrades have further improved the handling of chained and unconfirmed transactions, strengthening Bitcoin Cash’s suitability for high-volume, low-value payment environments.

CashTokens: Extending Bitcoin Cash Beyond Payments

In 2023, Bitcoin Cash activated one of the most significant upgrades in its history – CashTokens.

CashTokens allow the BCH blockchain to support:

But unlike many contract-heavy blockchains, CashTokens preserve efficiency by avoiding global state bloat, keeping BCH:

• Scalable
• Lightweight
• Affordable
• Easy to run at home

CashTokens expand BCH’s utility into areas such as on-chain trading, stablecoins, loyalty programs, digital collectibles, and permissionless services.

In addition to CashTokens, developers can build programmable applications on Bitcoin Cash using tools such as Cashscript, a high-level smart contract language designed specifically for BCH. These applications enable conditional payments, escrow arrangements, and other on-chain logic without relying on complex virtual machines, allowing Bitcoin Cash to support more advanced functionality while maintaining efficiency and low transaction costs.

Privacy on Bitcoin Cash: CashShuffle and CashFusion

Bitcoin Cash is a public ledger, but users have access to voluntary privacy tools:

CashShuffle

A coin-mixing protocol that groups multiple users’ transactions and redistributes them so no single input can be tied clearly to an output, as implemented by the CashShuffle.

CashFusion

A more advanced privacy system that uses multi-party transaction “fusions” to make deterministic tracing extremely difficult. Unlike custodial mixers, CashFusion never takes possession of user funds and instead restructures transactions cooperatively.

A more advanced privacy system using multi-party transaction “fusions” that make deterministic tracing extremely difficult.
Unlike mixers that rely on custodial processes, CashFusion never takes possession of user funds. It simply restructures transactions cooperatively. Learn more about .

Privacy tools on BCH do not alter consensus rules – they operate at the wallet layer, keeping the base protocol simple and robust.

Real-World Use Cases

Everyday Payments

BCH is used globally for retail purchases, utility payments, e-commerce, and person-to-person transactions. Low fees make it suitable for any amount – from micropayments to high-value transfers.

Remittances

Cross-border payments using BCH are:

• Faster than bank transfers
• Cheaper than traditional remittance services
• Accessible globally

Fees rarely exceed a cent, making BCH practical for families sending money abroad.

Merchant Adoption

Thousands of merchants support BCH worldwide through payment tools and integrations such as:

• Bitcoin.com Wallet’s built-in merchant tools
• BitPay
• CoinPayments
• GoCrypto
• Paytaca integrations

QR-based payments make checkout seamless.

Micropayments and Tipping

Because fees are negligible, BCH is used in:

• Online tipping
• Creator platforms
• Chat integrations
• Gaming economies
• Pay-per-article content systems

On-Chain Apps (via CashTokens)

Developers build services such as:

These run directly on the BCH blockchain without requiring a high-fee virtual machine.

Security and Mining

Bitcoin Cash retains Bitcoin’s proven security model:

Proof-of-Work

Miners compete to solve cryptographic puzzles that validate transactions and secure the network. This requires real economic cost, making attacks extremely expensive.

SHA-256

BCH shares the mining algorithm with Bitcoin, meaning miners can choose which chain to mine depending on profitability.

Bitcoin Cash also uses a responsive difficulty adjustment algorithm designed to keep block production stable even as mining hash power shifts between networks. This helps ensure consistent transaction confirmations and predictable network behavior during periods of market volatility.

Decentralized Mining Ecosystem

Hashrate is distributed across multiple mining pools globally.
This decentralization protects the network from unilateral control or censorship.

Bitcoin Cash vs Bitcoin: Key Differences

Below is a direct comparison of the two chains as of 2026:

FeatureBitcoin (BTC)Bitcoin Cash (BCH)Launch20092017Purpose

Store of value

Peer-to-peer paymentsBlock Size~1–4 MB32 MBTypical Fees$1–$5+<$0.01ThroughputLimited on-chainHigh on-chainSmart ContractsLimited on L1CashTokens on L1Scaling Approach

Lightning Network

On-chain transactionsSupply21 million21 millionConsensusPoWPoW

Both networks share the same monetary foundation but pursue different philosophies.

Historical Forks of Bitcoin Cash

Bitcoin Cash has its own fork history:

2018: BCH → Bitcoin SV (BSV)

A disagreement over block size policies and network direction created a split.
Bitcoin Cash ABC remained “Bitcoin Cash,” while Bitcoin SV became its own chain.

2020: Bitcoin ABC Hard Fork

BCH split again due to disagreements over funding mechanisms.
The community overwhelmingly supported Bitcoin Cash Node (BCHN), which became the canonical Bitcoin Cash chain.

These events reinforced BCH’s commitment to decentralized, community-driven governance.

Governance and Upgrades

Bitcoin Cash maintains a predictable upgrade schedule, generally once per year. Upgrades are coordinated through:

• Open discussion
• Developer collaboration
• Miner and node operator consensus

This process ensures upgrades are deliberate, stable, and aligned with user needs. Like Bitcoin, Bitcoin Cash governance is not dictated by any single authority. Network upgrades emerge through a process of discussion, experimentation, and voluntary adoption by users, miners, developers, and node operators, forming a decentralized social consensus around how the protocol evolves over time.

Recent upgrade themes include:

• Validation efficiency
• CashTokens enhancement
• Script improvements
• Scaling and resource management
• Usability refinements

Future Outlook

While Bitcoin Cash is optimized for payments, it retains the same fixed supply and issuance schedule as Bitcoin, allowing it to function as a scarce digital asset alongside its role as a medium of exchange. Bitcoin Cash’s long-term trajectory is centered around:

• Global payments
• Merchant adoption
• Low-fee transaction reliability
• Privacy tools
• New tokenized economies
• On-chain applications through CashTokens
• Scalable infrastructure without sacrificing decentralization

As of 2026, the BCH ecosystem continues to develop – from the growth of CashTokens-based platforms to expanding merchant networks, wallet innovations, and ongoing upgrades aimed at strengthening BCH as a global digital cash system.

How to Store, Buy, and Use Bitcoin Cash

Wallets

Bitcoin Cash is supported by:

Self-custodial wallets are ideal for users who want full control of their keys.

Buying BCH

You can buy BCH through:

• The Bitcoin.com Wallet
• Most global exchanges
• Local P2P platforms
• Merchant and gift card platforms

Using BCH

Bitcoin Cash is commonly used for everyday payments such as paying merchants, sending funds internationally, online shopping, gaming, tipping, and interacting with CashTokens-based applications, with guidance available on how to buy Bitcoin Cash, how to sell Bitcoin Cash, and how to use Bitcoin Cash, as well as for businesses looking to start accepting Bitcoin Cash and understand the benefits of accepting it.

Conclusion

Bitcoin Cash was created to preserve one of the most important ideas in the history of digital money: that anyone, anywhere, should be able to send value instantly, affordably, and without permission. In the years since its launch, BCH has remained committed to this mission while evolving far beyond its origins as a Bitcoin fork. The network now supports large-scale on-chain payments, near-zero transaction fees, privacy-enhancing tools, and a growing tokenized economy powered by CashTokens.

In 2026, Bitcoin Cash continues to serve millions of users worldwide who rely on it for remittances, merchant payments, micro-transactions, and peer-to-peer transfers. Its development remains decentralized and community-driven, with a clear focus on scalability, efficiency, and long-term reliability.

For users and developers who believe in a future where cryptocurrency functions as practical money – not just a store of value – Bitcoin Cash remains one of the strongest and most mature implementations of that vision. Whether you are exploring digital payments, building new on-chain applications, or simply looking for a fast and inexpensive way to move money globally, BCH offers a powerful, proven, and accessible alternative.