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### List of UPoW/PoUW Digital Currencies/Assets with Max Supply
Based on data as of November 12, 2025, here are the known digital currencies/assets using Useful Proof of Work (UPoW) or Proof of Useful Work (PoUW) that have a defined maximum supply. These mechanisms direct mining computations toward practical applications like AI training, decentralized computing, quantum simulations, or other real-world problems.
The list is ordered starting with the one offering the highest potential reward (factoring in upside to ATH, recent momentum, and sector growth potential) combined with the lowest risk (based on market cap, liquidity, trading volume, project maturity, and community support). This is subjective and volatile—crypto involves high risk. Only projects with a max supply are included; others like ICP, Primecoin, Gridcoin, Curecoin, and Ergo either lack one or do not strictly qualify as UPoW/PoUW based on available details.
| Rank | Currency/Asset (Symbol) | Mechanism & Use Case | Max Supply | Market Cap (USD) | Current Price (USD) | ATH (USD) | ATH Change % | 24h Volume (USD) | 7d Change % | 30d Change % | Potential Reward Rationale | Risk Rationale |
|------|-------------------------|----------------------|------------|------------------|---------------------|-----------|--------------|------------------|--------------|--------------|-----------------------------|---------------|
| 1 | Bittensor (TAO) | PoUW for decentralized AI model training and marketplace. | 21,000,000 | $3.37B | $352.95 | $757.60 | -53.4% | $234M | 7.8% | 19.0% | Moderate upside (2.1x to ATH); strong AI sector growth could push beyond. | Lowest risk: High market cap, robust liquidity, established AI focus since 2021. |
| 2 | Flux (FLUX) | PoUW for decentralized cloud infrastructure and dApp hosting. | 440,000,000 (approx., based on protocol docs) | $75M | $0.19 | $3.33 | -94.3% | $36M | 8.0% | 20.0% | High upside (17.5x to ATH); Web3 cloud adoption potential. | Low-medium risk: Decent market cap, good volume, mature project (rebranded from Zel in 2021). |
| 3 | Qubic (QUBIC) | UPoW for AI neural network training and multi-crypto mining. | 200,000,000,000,000 | $117M | $0.000009267 | $0.00001256 | -26.2% | $3.4M | 13.9% | 43.0% | Low-moderate upside (1.35x to ATH); AI/multi-mining could drive gains. | Medium risk: Growing market cap, solid momentum, but newer (2024 launch). |
| 4 | Dynex (DNX) | PoUW for neuromorphic quantum computing simulations. | 110,000,000 | $3.5M | $0.03336 | $1.39 | -97.6% | $101K | 9.7% | 23.5% | Very high upside (41.7x to ATH); quantum tech niche expansion. | Higher risk: Small market cap, lower liquidity, emerging tech vulnerabilities. |
### Additional Notes
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Data Sources: Compiled from CoinGecko and project documentation as of November 12, 2025. Market metrics are approximate and fluctuate rapidly.
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Exclusions: Projects without a defined max supply (e.g., ICP: unlimited, focuses on smart contract computations; Primecoin: unlimited, prime number discovery) or not explicitly UPoW/PoUW (e.g., Ergo: standard PoW despite some PoUW discussions; Gridcoin and Curecoin: research-based but unlimited supply and lower activity). Theoretical protocols like Ofelimos are not active currencies.
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Profit Considerations: For highest reward/lowest risk, prioritize TAO for stability with AI upside. Smaller ones like DNX offer high-reward potential but could be volatile. Mine with GPUs (e.g., for TAO/QUBIC) or stake nodes (e.g., FLUX) for rewards. Diversify and monitor trends.
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Limitations: UPoW/PoUW is an emerging category with no exhaustive public list. Focus on these prominent examples.