Antminer X9
Monero ASIC Miner
1000KH
HASHRATE
2.47W/KH
EFFICIENCY
2470W
POWER
£868.22
EST. MONTHLY
203
DAYS
EST. ROI
Polis mining ended when the network changed from X11 proof of work to proof of stake. The project's contemporary announcement says that after block 209,720 new blocks were minted by holders under the staking rules rather than by X11 miners.
This status matters because many old coin pages still call POLIS an X11 mineable asset. That description belongs to the earlier chain period. Pointing an X11 ASIC at an old pool address cannot make the present network return to proof of work.
Estimated reading time: 7 minutes
TL;DR
- Polis proof-of-work mining stopped after block 209,720 in 2018.
- Old X11 hardware and pool instructions describe history, not a current POLIS income route.
- Treat present staking, wallet and market availability as separate questions that need current evidence.
What This Means in Simple English
Polis originally used X11 machines to choose new blocks. In 2018 the network changed its rules so coin holders created blocks through staking instead. Old mining hardware did not become staking equipment; its role on Polis simply ended.
Simple Example
A town once used paper tickets to choose a council chair. It later changed to a register of members. A box full of old tickets may be genuine history, but it no longer decides the next chair under the new rules.
Key Terms in Plain English
| POLIS: | The asset associated with the Polis network. |
|---|---|
| X11: | The chain of hash functions used during the former proof of work period. |
| Proof Of Work: | The former block selection method based on computing work. |
| Proof Of Stake: | The replacement method that uses eligible coin holdings under network rules. |
| Block 209,720: | The transition point identified in the project's proof of stake announcement. |
When Polis Mining Ended
The project's 12 November 2018 announcement reported that its move from proof of work to proof of stake had succeeded. It identifies block 209,720 as the point after which every block was minted through staking.
That is the useful dividing line for a reader. Material before the transition can explain historical X11 operation. Material after it must not present an ASIC, pool or hashrate calculator as a current POLIS mining guide.
Why Polis Left Proof of Work
The project said the change followed a 51 per cent attack and double spending in September 2018. A smaller proof of work network can be vulnerable when enough rentable or redirected hashrate overwhelms its normal miners.
Proof of stake was chosen as the replacement security model. That decision changed who could produce blocks and what resource was placed at risk. It did not erase earlier transactions or turn X11 hardware into a validator.
What Happened to X11 Hardware
An X11 ASIC performs a fixed family of calculations. When Polis stopped accepting X11 proof, the machine could no longer create valid new Polis blocks. It may have remained technically usable on a different X11 network with current pool support.
Moving hardware to another coin is a new decision. Difficulty, reward, wallet, electricity cost and market depth all change. Old POLIS results cannot be used to forecast the alternative.
Why Old Polis Mining Pages Remain Online
Search engines, price databases and archived pool pages can preserve old labels for years. Some tables copy a launch algorithm once and never update the consensus status. A working page is not proof of a working network service.
Check the date, current repository, recent chain records and official status. If a page tells readers to mine POLIS with X11 but never mentions block 209,720, treat it as historical or incomplete.
How Staking Differs from Mining
Mining spends electricity and hardware time to produce proof of work. Staking places eligible coins and signing keys into a protocol process. Its costs and risks include custody, software uptime, eligibility rules and market exposure.
A staking percentage is not directly comparable with an ASIC's daily output. The capital base, reward unit, lock or maturity conditions and current network support must be recorded separately.
Check Present Polis Status Carefully
The 2018 announcement is strong evidence for the end of X11 mining, but it does not by itself prove that every present wallet, exchange or staking service is active. Those services can change independently after a consensus transition.
Verify a progressing chain, maintained software, recoverable wallet and usable market before moving value. If recent evidence is missing, record the current service status as uncertain while keeping the ended mining status clear.
Avoid Polis Name Confusion
POLIS has been used in more than one crypto context. It can be confused with unrelated projects, governance tokens or similar names. A ticker alone is not a safe wallet or exchange identifier.
Match the network, contract or native chain, wallet source and deposit label. Send a small test amount first. Never use an address copied from a different project merely because its display name includes Polis.
Use Historical Mining Data Honestly
Historical X11 hashrate, block reward and market prices can explain the earlier network. Label every figure with its date and do not place it inside a current earnings calculator without a clear ended status.
A useful archive tells readers what changed and when. It should help an owner recognise obsolete pool settings, close exposed ports and decide whether the old ASIC has a safe alternative use.
What the Current Data Can and Cannot Tell You
The supplied mineable snapshot still places Polis among mineable assets. The dated project announcement contradicts that current label for the post-transition chain and therefore takes priority: Polis mining ended at the stated transition.
This correction is about consensus status, not an investment judgement. A network may continue under staking, become quiet, change services or later migrate again. Each later state needs current primary evidence.
Market history after 2018 should not be described as proof of mining income. Trading data can exist for an asset whose proof of work ended. Keep historical miner rewards and later market prices in clearly separate records.
Decision Table
| Question | Correct Status |
|---|---|
| Can X11 Mine Current POLIS? | No, proof of work ended after block 209,720 |
| Did Hardware Become A Validator? | No, staking uses different resources and rules |
| Are Old Pool Pages Current? | Not unless they document a later supported network |
| What Needs A Live Check? | Chain, wallet, staking and market availability |
A table is a starting point, not a promise. Verify every live input before spending money on Polis mining ended hardware, software or hosting.
Frequently Asked Questions
Can POLIS Still Be Mined with X11?
No. The project's transition announcement says proof-of-work blocks ended after block 209,720.
Why Did Polis Mining End?
The project moved to proof of stake after reporting a 51 per cent attack and double spending.
Can an X11 ASIC Stake POLIS?
No. An ASIC performs proof-of-work calculations; staking uses eligible coins, keys and network software.
Does a Trading Price Prove Polis Is Mineable?
No. Markets and consensus are separate. An asset can trade after mining has ended.
What Should an Old Guide Say?
It should label X11 mining as historical and name the transition at block 209,720.
Conclusion
Polis mining ended deserves a measured trial, not a promise of easy money. Confirm the live network rules, use compatible hardware and official software, protect the wallet, and calculate profit from accepted work and wall power. Keep dated records because rewards, difficulty, prices and pool terms change.
Sources and Further Reading
For wider planning, see our mining profitability guides and GPU and alternative algorithm mining articles.
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