Namecoin Network Hashrate
What is Namecoin’s hashrate?
Hashrate is the total number of SHA-256d hash attempts pointed at Namecoin each second, shown here in EH/s (exahashes per second, 10¹⁸ hashes/s) — the same unit Bitcoin is measured in, because it is largely the same machines. Namecoin targets one block every 10 minutes, so hashrate decides how the chain’s fixed per-block reward stream is divided among the machines doing the work.
The headline number is computed from our own node’s headers: the total work the chain accumulated over the last day — the sum of difficulty × 2³² per block — divided by the elapsed seconds. That exact recipe ships inside the API response itself, next to the number.
Whose hashrate is this, really?
Almost none of it is Namecoin-only hardware. NMC is merge-mined under Bitcoin parent pools — AuxPoW chain ID 1, the arrangement that invented merged mining in October 2011 — so the SHA-256d work you see here was done for Bitcoin, and Namecoin accepts it as proof-of-work. The slice is enormous: 603 EH/s as of 2026-10-03 against Bitcoin’s own 944 EH/s the same day — about two-thirds of the Bitcoin network also counts for Namecoin, both figures from our own nodes.
The consequence is worth saying plainly: basket add/drop decisions, not NMC-side miner economics, move this number. When a Bitcoin pool adds NMC to its merged roster — or drops it — this chain’s hashrate steps overnight while the machines themselves never changed. That is exactly the caveat in the box above, and it is why ribbon signals on a cross read pool-roster behavior rather than miner capitulation in the Bitcoin sense.
How we measure it — and why we don’t borrow numbers
headline estimate = total work over the last day ÷ elapsed seconds (the API recipe, from our own headers)
Nobody publishes a live Namecoin hashrate series — the one third-party chart source froze in March 2021 — and we would not quote one anyway. Our Namecoin node is synced block-by-block from genesis over the coin’s P2P network, no snapshots, no third-party feeds, and integrity seals ride every API response. The “Implied hashrate” tile applies the first formula to the live difficulty as a cross-check on the day average; on a chain that retargets in 2,016-block epochs the two legitimately drift apart mid-epoch — when the basket grows, the day average runs above what the frozen difficulty implies until the next retarget catches up. As of 2026-10-03: 603 EH/s measured against 581 implied, and that gap is mostly the epoch lag, visible live.
Why it matters for miners
Your expected share of this chain’s reward stream equals your hashrate divided by network hashrate — and on this chain the denominator is two-thirds of Bitcoin. You don’t point a rig at NMC directly: you point SHA-256 hardware at a pool that pays it (F2Pool and ViaBTC are the two majors documenting NMC payouts) and NMC arrives as a kicker on your BTC payouts, for hashes you were already doing. This is where merged mining began: chain ID 1, running since block 19,200 in October 2011 — the longest-lived AuxPoW arrangement in existence.
FAQ
- Why does Namecoin’s hashrate track Bitcoin’s?
- Because it largely is Bitcoin’s. Namecoin is merge-mined (AuxPoW) under Bitcoin parent pools: pools embed an NMC commitment in their Bitcoin work, so the hashrate pointed at this chain is whatever slice of the Bitcoin fleet those rosters aim at it — 603 EH/s against Bitcoin’s 944 EH/s as of 2026-10-03, measured from our own nodes. When a parent pool adds or drops NMC, this number moves — no NMC-side miner decided anything.
- What is merged mining (AuxPoW)?
- One round of hashing, two chains. A Bitcoin miner embeds a commitment to a Namecoin block in its BTC work; a solution good enough for Namecoin’s difficulty counts on the Namecoin chain via AuxPoW, at zero extra electricity. Namecoin invented this arrangement — chain ID 1, running since block 19,200 in October 2011 — and it has run longer than any other AuxPoW pairing in existence.
- Can NMC’s hashrate change when no miner touched NMC?
- Yes — at the largest scale anywhere. The work pointed at Namecoin is a slice of the Bitcoin fleet, so a single major pool editing its merged roster can move exahashes onto or off this chain overnight while every machine keeps hashing BTC exactly as it did yesterday. Roster decisions, not NMC-side economics, are what the ribbon indicators on the NMC dashboard are reading.
- Where is the historical chart?
- The only public Namecoin hashrate series froze at block 551,192 in March 2021, and we do not draw charts from stale or borrowed data. BasinTwo’s own node has archived every NMC block forward since 2026-10-02; the chart ships the day our archive serves the series.