As the crypto market rebounds and the effects of the Bitcoin halving continue into 2025, cloud mining is once again capturing investor attention. Thanks to platforms offering free signup bonuses, trial mining power, and low-entry contracts, everyday users can now participate in mining Bitcoin (BTC) and Dogecoin (DOGE) without purchasing expensive hardware or paying sky-high electricity bills.
In this article, we review 5 of the hottest free or low-barrier cloud mining platforms of 2025. Each offers different advantages, contract styles, and bonus structures. At the high position of the list is ETNCrypto, a legally registered platform that offers a $100 free bonus and potential daily profits of up to $2,088 with selected high-tier contracts.
1. ETNCrypto — Most Profitable Cloud Mining Platform, Up to $2,088/Day
Rating: ★★★★★
ETNCrypto is one of the most trusted and widely used global cloud mining platforms. It supports Bitcoin, Dogecoin, Litecoin, and other major cryptocurrencies. New users can claim a $100 signup bonus to experience real mining with no upfront cost. The platform is accessible via both web and mobile app, offering full visibility into contracts, earnings, and mining farm allocations.
With its AI-powered AutoMining engine, ETNCrypto automatically allocates the most efficient hashrate sources based on real-time network conditions, maximizing ROI for each contract.
Example Contracts:
Miner Model | Contract Amount | Term | Daily Profit | Total Profit | Daily ROI |
Antminer S21+ Hyd | $8,000 | 3 days | $336 | $1,008 | 4.2% |
L9 Pro | $36,000 | 6 days | $2,088 | $12,528 | 5.80% |
The platform guarantees no hidden fees, with clearly stated withdrawal thresholds (commonly $200), allowing users to make informed investment decisions before purchasing any contract.
Key Advantages:
✅ $100 free bonus upon registration—start mining without deposit
✅ Full mobile support; manage contracts and withdrawals on the go
✅ High-yield daily returns with flexible short-term contracts
✅ Legally registered and globally accessible
Things to Know:
- Illustrated returns are based on specific market assumptions—check live data before purchase
- Use the free trial to understand contract flows and withdrawal processes
2. BitDeer — Publicly Listed Cloud Mining Giant
Rating: ★★★★☆
BitDeer is a premier cloud mining platform founded by the co-founder of Bitmain and now publicly traded on NASDAQ (Ticker: BTDR). It partners with mining farms across Norway, Iceland, and the UAE, allowing users to choose their preferred data center locations and bind real hardware to their contracts.
While most contracts are paid, BitDeer often offers discount codes and trial hashrate promotions during special events.
Key Advantages:
✅ Transparent operations from a publicly listed company
✅ Global mining farm selection with verified energy sources
✅ Long-term contract options for institutional and retail investors
Things to Know:
- Free trial offers vary and are typically limited to special campaigns
- Electricity rates may differ between mining farm locations—calculate net profit accordingly
3. ECOS Cloud Mining — Government-Backed, Risk-Managed Mining Platform
Rating: ★★★★☆
ECOS is the only cloud mining platform officially partnered with the Armenian government, offering high regulatory credibility. Users can simulate contract profits using ECOS’ advanced profit calculator before making a purchase—ideal for conservative investors.
Free trial hashrate or bonus offers are occasionally available for new users.
Key Advantages:
✅ Government-backed mining infrastructure
✅ Includes ROI calculator to forecast contract results
✅ Flexible contract terms and multi-coin mining options
Things to Know:
- Free offers are limited; standard contracts include service fees
- Long-term contracts are better suited for users focused on stable passive returns
4. StormGain — All-in-One Trading + Free Mining Platform
Rating: ★★★☆☆
StormGain offers an integrated experience: trade cryptocurrencies and earn mining bonuses in one app. Users can unlock free mining points by completing daily tasks or maintaining trading activity.
Though mining rewards are relatively small, the platform is great for beginners to learn how crypto contracts and earnings work.
Key Advantages:
✅ Mobile-first design; all features accessible via app
✅ Gamified mining tasks—simple entry point for new users
✅ Multi-language and multi-currency interface
Things to Know:
- Withdrawals often require a minimum trading volume or loyalty level
- This is not traditional hashrate leasing, but a task-based bonus system
5. Hashing24 — Traditional, Stable, and Campaign-Based Entry
Rating: ★★★☆☆
Hashing24 is one of the oldest cloud mining providers, known for offering Bitcoin contracts with transparent parameters. Though the platform primarily focuses on paid contracts, during promotions (e.g., Black Friday, new user campaigns), it provides trial hashrate or signup bonuses.
Its interface is simple and effective, making it a solid choice for users familiar with cloud mining.
Key Advantages:
✅ Veteran platform with a proven operational history
✅ Stable connection to mining pools; reliable hashrate
✅ Transparent contract terms
Things to Know:
- Free bonuses are rare and usually tied to promotions
- Lacks mobile integration and modern automation tools like AI scheduling
Beginner Tips for Cloud Mining in 2025
Tip | Why It Matters |
Start with free trials | Risk-free learning with $100+ signup bonuses (e.g. ETNCrypto) |
Understand withdrawal rules | Each platform has unique fees and payout thresholds |
Use profit calculators | Simulate ROI with real-time rates (ECOS, ETNCrypto) |
Diversify your approach | Try different platforms and contracts in small batches |
Watch out for hidden fees | Always check maintenance, electricity, and service charges |
⚠ Risk Notice
The “up to $2,088/day” example in this article is based on specific contract setups and market conditions. It is not a guarantee of earnings. Cloud mining involves financial risks, including coin price volatility, network difficulty changes, electricity costs, and platform-side contract modifications. Always refer to the latest data and terms on each platform’s official site before making investment decisions.
Final Thoughts
Whether you’re just starting your crypto journey or seeking a new passive income stream in 2025, cloud mining offers a simplified, mobile-friendly, and scalable path into the world of crypto earnings.
Platforms like ETNCrypto—with its generous $100 bonus and high-performance contracts—allow users to test, learn, and earn without upfront commitment. And for those with larger plans, BitDeer and ECOS offer robust, legally-compliant infrastructure ideal for long-term mining.
Start with free tools, track your net ROI—not just daily numbers—and build your crypto mining strategy on a solid, low-risk foundation.