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Proof-of-work coins

150 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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1 Bitcoin BTC $84,641.11
$1.70T
$1.70 trillion
+0.95%
2 Zcash ZEC $1,311.31
$22.22B
$22.22 billion
-8.08%
3 Dogecoin DOGE $0.0945
$16.24B
$16.24 billion
+0.32%
4 Monero XMR $542.19
$10.20B
$10.20 billion
-0.38%
5 Bitcoin Cash BCH $306.46
$6.16B
$6.16 billion
+0.09%
6 Litecoin LTC $67.58
$5.25B
$5.25 billion
+1.92%
7 Ethereum Classic ETC $8.82
$1.40B
$1.40 billion
-0.09%
8 Kaspa KAS $0.0416
$1.15B
$1.15 billion
-4.17%
9 Dash DASH $58.86
$756.34M
$756.34 million
-3.54%
10 BELDEX BDX $0.0747
$587.89M
$587.89 million
-0.19%
11 Bitcoin SV BSV $19.63
$394.29M
$394.29 million
-1.00%
12 Decred DCR $18.11
$319.68M
$319.68 million
-1.77%
13 Conflux Network CFX $0.0534
$280.49M
$280.49 million
-2.20%
14 eCash XEC $0.0₅801
$160.92M
$160.92 million
-3.14%
15 Horizen ZEN $7.10
$130.70M
$130.70 million
-3.18%
16 QUBIC QUBIC $0.0₆580
$83.08M
$83.08 million
-7.70%
17 DigiByte DGB $0.00444
$82.20M
$82.20 million
-0.26%
18 Nervos Network CKB $0.00128
$63.62M
$63.62 million
-1.64%
19 Siacoin SC $0.00101
$56.62M
$56.62 million
-4.54%
20 ORE v2 ORE $111.79
$55.92M
$55.92 million
+24.49%
21 Verge XVG $0.00319
$52.67M
$52.67 million
-2.55%
22 Nock NOCK $0.0198
$46.41M
$46.41 million
-14.76%
23 Fractal Bitcoin FB $0.413
$45.73M
$45.73 million
-1.79%
24 Ravencoin RVN $0.00236
$38.97M
$38.97 million
+1.26%
25 EthereumPoW ETHW $0.292
$31.47M
$31.47 million
+1.85%
26 Xphere XP $0.0104
$31.18M
$31.18 million
+4.67%
27 Flux FLUX $0.0727
$30.54M
$30.54 million
-3.06%
28 The Innovation Game TIG $0.931
$29.98M
$29.98 million
+1.70%
29 ERGO ERG $0.323
$26.97M
$26.97 million
-0.84%
30 Alephium ALPH $0.0717
$9.93M
$9.93 million
+2.72%
31 Quai Network QUAI $0.0104
$8.13M
$8.13 million
-2.90%
32 Hathor HTR $0.00840
$4.32M
$4.32 million
-4.11%

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

33 Cheesecoin CHEESE $0.596
$159.65M
$159.65 million
+0.04%
34 Zano ZANO $5.69
$87.77M
$87.77 million
-3.71%
35 Firo FIRO $1.09
$19.73M
$19.73 million
-0.04%
36 TEXITcoin TXC $0.155
$13.97M
$13.97 million
-0.25%
37 CounterParty XCP $3.69
$9.59M
$9.59 million
+1.18%
38 Quantum Resistant Ledger QRL $0.748
$8.98M
$8.98 million
+15.88%
39 NEXA Token NEXA $0.0₅115
$6.74M
$6.74 million
-2.03%
40 MonaCoin MONA $0.0721
$4.74M
$4.74 million
-0.67%
41 XELIS XEL $0.472
$2.83M
$2.83 million
-0.42%
42 Syscoin SYS $0.00251
$2.30M
$2.30 million
-14.26%
43 BEAM BEAM $0.0121
$2.24M
$2.24 million
+7.65%
44 Nexus NXS $0.0219
$1.67M
$1.67 million
-0.02%
45 Bitcore BTX $0.0600
$991,679
$991,679
+0.32%
46 Matrix AI Network MAN $0.00128
$730,119
$730,119
+16.38%
47 BitcoinZ BTCZ $0.0000311
$362,546
$362,546
-2.83%
48 LBRY Credits LBC $0.00162
$334,680
$334,680
+1.56%
49 Komodo KMD $0.00287
$317,571
$317,571
-0.69%
50 Statter STT $0.00342
$172,380
$172,380
-0.41%
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Trending Proof-of-work coins

Top Gainers
Coins Live Price Market cap 24h
ORE v2 ORE $111.79
$55.92M
$55.92 million
+24.49%
Xphere XP $0.0104
$31.18M
$31.18 million
+4.67%
Alephium ALPH $0.0717
$9.93M
$9.93 million
+2.72%
Litecoin LTC $67.58
$5.25B
$5.25 billion
+1.92%
EthereumPoW ETHW $0.292
$31.47M
$31.47 million
+1.85%
All Gainers

Market Cap

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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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