Proof-of-work coins

110 coins #6

Proof of Work is how miners use computing power to solve puzzles, secure the blockchain, and earn rewards. More

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# Coins Price Market cap 24h
1 Bitcoin BTC $ 89,555.52
$ 1.79T
$ 1.79 trillion
+1.70%
2 Dogecoin DOGE $ 0.126
$ 21.29B
$ 21.29 billion
+3.42%
3 Bitcoin Cash BCH $ 595.74
$ 11.90B
$ 11.90 billion
+0.98%
4 Monero XMR $ 480.65
$ 8.86B
$ 8.86 billion
+0.33%
5 Zcash ZEC $ 395.96
$ 6.53B
$ 6.53 billion
+4.11%
6 Litecoin LTC $ 69.63
$ 5.34B
$ 5.34 billion
+0.75%
7 Ethereum Classic ETC $ 11.58
$ 1.80B
$ 1.80 billion
+2.60%
8 Kaspa KAS $ 0.0400
$ 1.09B
$ 1.09 billion
+2.00%
9 Dash DASH $ 60.81
$ 764.33M
$ 764.33 million
-1.86%
10 BELDEX BDX $ 0.0772
$ 586.74M
$ 586.74 million
-3.67%
11 Conflux Network CFX $ 0.0686
$ 355.20M
$ 355.20 million
+1.73%
12 Decred DCR $ 19.11
$ 329.55M
$ 329.55 million
-7.12%
13 Horizen ZEN $ 9.27
$ 164.74M
$ 164.74 million
+0.62%
14 Ravencoin RVN $ 0.00723
$ 116.01M
$ 116.01 million
+3.50%
15 Nervos Network CKB $ 0.00241
$ 115.65M
$ 115.65 million
+0.90%
16 DigiByte DGB $ 0.00583
$ 105.56M
$ 105.56 million
-0.45%
17 Siacoin SC $ 0.00150
$ 84.04M
$ 84.04 million
+0.60%
18 Quai Network QUAI $ 0.0927
$ 72.52M
$ 72.52 million
+12.44%
19 EthereumPoW ETHW $ 0.488
$ 52.58M
$ 52.58 million
+2.34%
20 Flux FLUX $ 0.0999
$ 40.02M
$ 40.02 million
+1.44%
21 ERGO ERG $ 0.431
$ 35.71M
$ 35.71 million
+1.86%
22 Firo FIRO $ 1.43
$ 25.86M
$ 25.86 million
-4.90%
23 Syscoin SYS $ 0.0186
$ 15.78M
$ 15.78 million
-0.44%
24 BEAM BEAM $ 0.0276
$ 5.10M
$ 5.10 million
+3.83%
25 Hathor HTR $ 0.00909
$ 4.66M
$ 4.66 million
+1.99%

The coins below are ranked lower due to missing data. Learn more

26 Quantum Resistant Ledger QRL $ 2.65
$ 31.77M
$ 31.77 million
-0.60%
27 Namecoin NMC $ 0.990
$ 14.59M
$ 14.59 million
+0.93%
28 CounterParty XCP $ 2.45
$ 6.38M
$ 6.38 million
+3.27%
29 MonaCoin MONA $ 0.0830
$ 5.45M
$ 5.45 million
+0.31%
30 Vertcoin VTC $ 0.0688
$ 3.23M
$ 3.23 million
+0.36%
31 Komodo KMD $ 0.0256
$ 2.83M
$ 2.83 million
+0.43%
32 Bitcoin Diamond BCD $ 0.0124
$ 1.85M
$ 1.85 million
-24.38%
33 Groestlcoin GRS $ 0.00725
$ 516,688
$ 516,688
+78.97%
34 BitcoinZ BTCZ $ 0.0000275
$ 320,626
$ 320,626
-23.13%
35 Aeternity AE $ 0.00951
$ 270,084
$ 270,084
+6.78%
36 Pakcoin PAK $ 0.00364
$ 238,601
$ 238,601
+0.95%
37 BTC MOBICK BMB $ 327.11
$ 1.24B
$ 1.24 billion
+4.55%
38 Crypto Smart Network CSN $ 0.953
$ 476.63M
$ 476.63 million
-0.04%
39 TerraCoin TRC $ 8.80
$ 307.71M
$ 307.71 million
+0.00%
40 Weber Energy Network WEN $ 1.16
$ 243.66M
$ 243.66 million
+0.06%
41 MimbleWimbleCoin MWC $ 22.08
$ 242.84M
$ 242.84 million
-0.37%
42 Xphere XP $ 0.00858
$ 15.50M
$ 15.50 million
-2.47%
43 Iron Fish IRON $ 0.105
$ 7.31M
$ 7.31 million
-2.86%
44 Grin GRIN $ 0.0460
$ 4.52M
$ 4.52 million
+1.63%
45 Kadena KDA $ 0.00895
$ 3.04M
$ 3.04 million
-2.00%
46 WrappedXTM wXTM $ 0.00257
$ 1.81M
$ 1.81 million
+2.17%
47 BitcoinII BC2 $ 0.683
$ 1.69M
$ 1.69 million
-2.58%
48 Omni OMNI $ 1.22
$ 758,105
$ 758,105
+0.00%
49 Fact0rn FACT $ 0.759
$ 708,193
$ 708,193
-2.56%
50 DANGNN DANGNN $ 0.0000561
$ 560,000
$ 560,000
-0.32%
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Trending Proof-of-work coins

Top gainers

Coins Price Market cap 24h
Quai Network QUAI $ 0.0927
$ 72.52M
$ 72.52 million
+12.44%
Zcash ZEC $ 395.96
$ 6.53B
$ 6.53 billion
+4.11%
BEAM BEAM $ 0.0276
$ 5.10M
$ 5.10 million
+3.83%
Ravencoin RVN $ 0.00723
$ 116.01M
$ 116.01 million
+3.50%
Dogecoin DOGE $ 0.126
$ 21.29B
$ 21.29 billion
+3.42%
All gainers

What is a proof-of-work coin?

A proof-of-work (PoW) coin is a cryptocurrency that uses the proof-of-work consensus mechanism to validate transactions and add new blocks to its blockchain.
Miners compete to solve complex cryptographic puzzles; the first to find the solution broadcasts the new block, earns the block reward, and secures the network.
This process is intentionally energy-intensive and creates the “work” that makes rewriting history expensive.

How PoW Works (Step-by-Step)

  1. Transactions broadcast – users send coins; nodes collect them into a mempool.
  2. Hash puzzle – miners race to find a nonce that produces a hash below the current difficulty target.
  3. Winner broadcasts – the successful miner submits the new block; others verify the hash.
  4. Consensus & reward – once accepted, the miner receives newly minted coins + transaction fees.
  5. Difficulty adjustment – the network retargets puzzle hardness to keep block time stable (e.g., 10 min for Bitcoin).

Key Properties

  • Energy-intensive – Bitcoin alone uses ~150 TWh/year; criticism from environmental groups.
  • High security – 51% attack requires controlling >half of global hash power → expensive & detectable.
  • Decentralized minting – anyone with ASICs/GPUs can participate; no pre-mine or stake needed.
  • Fixed supply schedule – block rewards halve at set intervals (Bitcoin every 210,000 blocks).

PoW vs PoS (Snapshot)

Metric Proof-of-Work Proof-of-Stake
Energy use Very high (ASIC farms) Minimal (validators stake coins)
Entry barrier Hardware + electricity Capital (must buy & lock coins)
Attack cost Hash power + electricity 51% of staked coins
Finality time ~10–60 min (BTC, LTC) ~2–15 min (ETH, ADA)
Environmental tag “Dirty” “Green”

Major PoW Coins

Coin Launch Hash Algo Block Time Emission Curve
BTC 2009 SHA-256 10 min Halves every 4 yrs
LTC 2011 Scrypt 2.5 min Halves every 4 yrs
DOGE 2013 Scrypt (merge-mined) 1 min 10k DOGE per block (infinite)
ETC 2016 Ethash 13 sec Halves every 5 yrs
XMR 2014 RandomX 2 min Tail emission (0.6 XMR/block)

Benefits of PoW

  • Battle-tested security – 14 years of Bitcoin uptime; no successful 51% attack on BTC.
  • Fair launch – minting open to anyone with hardware; no ICO or pre-mine required.
  • Energy = security – electricity spent = real-world cost to rewrite history.
  • Supply predictability – halving cycles create transparent scarcity narrative.

Limitations / Criticisms

  • Environmental impact – Bitcoin uses ~0.6% of global electricity; ESG pressure on miners.
  • Scalability bottleneck – 7 TPS (BTC) vs 24,000 TPS (Visa); needs Layer-2 (Lightning, rollups).
  • Hardware arms race – ASIC monopoly pushes mining into data-center farms → centralisation risk.
  • Regulatory scrutiny – some jurisdictions ban PoW mining or tax energy heavily.

Final Thoughts

Proof-of-work remains the most battle-tested consensus mechanism, powering the top two cryptocurrencies by market cap and hashrate. While energy use and scalability concerns push newer chains toward proof-of-stake, PoW coins still offer unmatched security and a predictable monetary policy. Treat them as “digital commodities” with real-world energy backing—and keep an eye on Layer-2 solutions for scalability fixes.

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