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Ethereum Classic Mining Difficulty
Track Ethereum Classic mining difficulty, network conditions, and the metrics shaping Proof-of-Work mining activity.
UNDERSTAND THE
ETHEREUM CLASSIC NETWORK
See how mining conditions evolve as network activity changes.
Proof-of-work difficulty of the latest observed block
Estimated from the latest 6,400-block window
Measured over the same 6,400-block window
Latest observed Ethereum Classic block
How to Read Ethereum Classic Mining Difficulty
What Does ETC Mining Difficulty Mean?
Difficulty is a relative measure of the work required to find a valid ETCHash proof. It is not the number of miners, mining rigs or hashes produced each second. When difficulty rises, a miner with unchanged hardware represents a smaller share of the effective competition for the next block. When it falls, the same hashrate has a greater statistical chance of finding a block.
Ethereum Classic adjusts difficulty as new blocks are produced, aiming to keep the average interval around 13 seconds. If additional hashrate causes blocks to arrive too quickly, difficulty tends to move higher. If hashrate leaves and blocks slow down, difficulty tends to move lower. Individual block times are random, so one fast or slow block should not be treated as a trend.
How the Estimated Network Hashrate Is Calculated
The hashrate figure is an estimate, not a direct reading from every GPU, ASIC or mining pool. CoinSaga calculates it from cumulative proof-of-work across the latest 6,400 canonical blocks and the time taken to produce them. At Ethereum Classic’s normal block pace, that represents approximately one day of activity.
Using a multi-block window reduces the effect of mining luck compared with an estimate based on only a few blocks. The trade-off is that the displayed value can react gradually when a large amount of hashrate suddenly joins or leaves. Hashrate is shown in hashes per second and automatically scaled, typically to GH/s or TH/s.
Ethereum Classic uses ETCHash, a modified version of Ethash. Hashrate should therefore be compared with Ethereum Classic’s own history or other ETCHash measurements—not directly with the hashrate of Bitcoin, Litecoin or networks using different proof-of-work algorithms. A terahash on one algorithm does not represent the same hardware workload as a terahash on another.
What “Canonical-Chain Work” Means
The calculation uses work from blocks accepted into Ethereum Classic’s main, or canonical, chain. It excludes work associated with uncle blocks.
An uncle is a valid competing block that was not selected for the canonical chain, often because two miners found blocks close together and only one became part of the main history. Excluding uncle work makes the estimate consistent with the chain that advanced the official block height, but it also means the number should not be interpreted as a complete census of every hash attempted by miners. When uncle production is elevated, total mining activity may be somewhat higher than the canonical-chain estimate suggests.
Read the ETC Mining Metrics Together
Use the indicators as a group:
- Rising hashrate and rising difficulty, with block time near target, usually indicate that more effective mining power has joined and difficulty has responded.
- Rising hashrate combined with unusually fast blocks may reflect a recent increase that difficulty is still absorbing.
- Falling hashrate and slower blocks can indicate that mining power has left; difficulty should then adjust downward.
- Stable block times alongside changing difficulty can mean the adjustment mechanism is doing its job.
Mining difficulty is not an ETC price signal and does not determine profitability by itself. Miner returns also depend on the ETC price, block subsidy, transaction fees, hardware efficiency, electricity costs, pool fees and downtime. The subsidy follows ETC’s 5M20 monetary policy, decreasing by 20% every five million blocks. CoinSaga’s Ethereum Classic halving countdown tracks the next reward reduction and its estimated timing. For network analysis, longer trends are generally more informative than one block, one difficulty reading or one daily hashrate estimate.