Bitcoin Cash vs Bitcoin: What's the Difference?
Bitcoin Cash vs Bitcoin compared on block size, fees, speed, and adoption. See why BCH forked from BTC in 2017 and which one fits payments today.
Updated July 2026 · Reviewed by the PipeFlare team
Bitcoin Cash vs Bitcoin compares two chains born from the same code after a 2017 split. Bitcoin Cash forked from Bitcoin on August 1, 2017 to make on-chain payments cheaper with bigger blocks. It raised the block size limit to 32MB so more transactions fit in each block. Bitcoin kept small blocks and scales payments off-chain with the Lightning Network. This guide shows the tradeoffs and adoption gap.
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Bitcoin Cash vs Bitcoin at a glance
| Dimension | Bitcoin Cash | Bitcoin |
|---|---|---|
| What it is | 2017 Bitcoin fork focused on cheap on-chain payments | Original blockchain and leading store of value |
| Underlying tech | SHA-256 proof-of-work; larger blocks (up to 32MB) | SHA-256 proof-of-work; ~1-4MB blocks plus Lightning |
| Consensus | Proof-of-work mining (SHA-256) | Proof-of-work mining (SHA-256) |
| Speed / throughput | Bigger blocks fit more transactions on-chain | Fewer on-chain transactions; Lightning adds instant payments |
| Typical fees | Usually a fraction of a cent on-chain | Cents to several dollars on-chain; cheap via Lightning |
| Supply cap | 21 million BCH max | 21 million BTC max |
| Main use | Low-cost everyday on-chain payments | Store of value, settlement, and layered payments |
| Best for | Cheap direct on-chain sends | Security, liquidity, and long-term holding |
Bitcoin Cash vs Bitcoin: the 2017 fork explained
Bitcoin Cash exists because the community disagreed on how to scale. One group wanted bigger blocks so more payments fit on-chain and fees stayed low. The other wanted to keep small blocks so anyone could run a full node, and to scale off-chain instead. The disagreement led to a hard fork on August 1, 2017, creating Bitcoin Cash. It started with an 8MB block limit and later raised it to 32MB. Bitcoin kept smaller blocks and pursued layered scaling.
Fees and payments compared
Bitcoin Cash aims for cheap payments directly on-chain. Because its blocks are much larger, Bitcoin Cash fees usually stay a fraction of a cent, even when activity rises. That makes small, direct payments simple. Bitcoin base-layer fees range from cents to several dollars during busy periods. To keep payments cheap, Bitcoin relies on the Lightning Network, a second layer that settles instantly for tiny fees. So both can be cheap, but they get there differently. See our Bitcoin transaction fees guide for context.
Adoption and security gap
Bitcoin is far larger than Bitcoin Cash in almost every measure. Bitcoin has vastly more mining power, liquidity, brand recognition, and institutional support. That security and depth are central to its store-of-value case. Bitcoin Cash has a smaller ecosystem and less hash power, though it keeps a dedicated community focused on cheap payments. Both share the 21 million supply cap and SHA-256 mining, but Bitcoin's network effects dominate.
The verdict
Choose Bitcoin for security, liquidity, and long-term holding, with cheap payments available through the Lightning Network. Choose Bitcoin Cash if you specifically want very low-cost payments directly on-chain with larger blocks. For most users, Bitcoin's network effects and adoption make it the default, with Bitcoin Cash a niche payments option.
Frequently asked questions
Is Bitcoin Cash better than Bitcoin?
Bitcoin Cash is not better overall; it is better for cheap on-chain payments. Its larger blocks keep fees a fraction of a cent. Bitcoin wins decisively on security, liquidity, adoption, and store-of-value demand.
Is Bitcoin Cash cheaper to use than Bitcoin?
On-chain, yes, Bitcoin Cash is usually cheaper. Its 32MB blocks keep fees very low. Bitcoin's base-layer fees can reach several dollars, but its Lightning Network makes payments cheap on a second layer.
Can Bitcoin Cash replace Bitcoin for payments?
It can handle cheap on-chain payments well, but it lacks Bitcoin's reach. Bitcoin has far more merchants, wallets, liquidity, and Lightning support, so its network effects keep it the more widely accepted option.
Bitcoin vs Bitcoin Cash: which has more adoption?
Bitcoin has far more adoption. It leads in mining power, liquidity, brand, and institutional backing. Bitcoin Cash keeps a smaller, payments-focused community but trails Bitcoin across the board.
Sources
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