Mining Bitcoin in 2025 has become easier than ever thanks to cloud mining. Instead of spending thousands of dollars on expensive mining rigs and electricity, you can join platforms that allow you to mine Bitcoin directly through the cloud. Many of these services now even offer free trials and signup bonuses, letting you start mining without upfront costs. The best part? Trusted providers ensure there are no hidden fees and all payouts are clearly defined in the contract.
Below, we list seven of the most popular cloud mining sites in 2025 that help you mine Bitcoin for free and without technical barriers.
1. ETNCrypto – Best Free Signup Bonus
ETNCrypto is the most beginner-friendly and transparent cloud mining provider for Bitcoin in 2025. It offers a $100 free signup bonus so users can begin mining without investment. With ASIC-powered rigs and AI monitoring, ETNCrypto ensures stability, security, and consistent payouts.
Platform Overview
ETNCrypto is built to eliminate complexity. Its mining centers are equipped with high-performance ASICs, supported by intelligent scheduling systems to maximize uptime. Contracts are simple, with no hidden fees, and payouts are strictly based on the terms you select. The platform requires only a $300 minimum balance before withdrawals, keeping the system efficient.
Getting Started
- Register for an account on the ETNCrypto site
- Claim your $100 signup bonus
- Choose a Bitcoin mining contract that fits your budget
- Monitor mining rewards through the easy-to-use dashboard
Highlights
- $100 signup bonus for free mining
- Transparent contracts and ROI expectations
- No hidden charges on payouts
- Beginner-friendly dashboard
- Minimum withdrawal: $300
ETNCrypto Mining Rigs
Mining Rig | Contract Price | Contract Period | Daily Profit | Daily ROI |
Antminer S19 XP | $100 | 1 Day | $1.50 | 1.50% |
Antminer T21 | $200 | 2 Days | $6.00 | 3.00% |
Antminer Z15 Pro | $600 | 3 Days | $19.20 | 3.20% |
Antminer S21 Pro | $1,300 | 5 Days | $45.50 | 3.50% |
VolcMiner D1 Lite | $3,500 | 6 Days | $133.00 | 3.80% |
Antminer S21+ Hyd | $8,000 | 3 Days | $336.00 | 4.20% |
VolcMiner D1 | $17,800 | 5 Days | $854.40 | 4.80% |
Antminer L9 | $36,000 | 6 Days | $2,088.00 | 5.80% |
Antminer S21e XP Hyd 3U | $68,000 | 5 Days | $5,440.00 | 8.00% |
With its signup bonus and user-friendly system, ETNCrypto is the easiest way to start mining Bitcoin with no upfront investment.
2. Coinwarz – Free Bitcoin Mining Calculator + Cloud Options
Coinwarz is best known for its mining profitability calculators, but it also provides access to cloud mining platforms. Beginners can test potential returns with free calculators before committing to contracts.
Why It’s Popular
- Trusted tool for calculating mining profitability
- Offers access to Bitcoin and altcoin cloud mining
- Free mining data tools help users avoid hidden risks
Coinwarz is ideal for those who want to evaluate free ROI potential before investing in cloud mining contracts.
3. EasyMiner – Free Software with Cloud Mining Support
EasyMiner is an open-source mining software that connects seamlessly with several cloud mining providers. Beginners can use it for free to mine Bitcoin without complicated setups.
Key Features
- 100% free to download and use
- Supports Bitcoin, Litecoin, and altcoins
- Integrates with cloud mining services for passive earnings
- Beginner-friendly with simple UI
EasyMiner suits those who want free software plus cloud connectivity to maximize returns.
4. Libertex – Mining Meets Trading
Libertex is a trading platform that also gives users exposure to cloud mining through partnerships. It allows beginners to diversify by combining mining rewards with crypto trading opportunities.
Highlights
- Mining plus crypto trading in one platform
- Clear, fee-free contracts
- Mobile-friendly app for easy use
- Free trial access for new users
Libertex appeals to miners who also want a trading edge without hidden fees.
5. CryptoBrowser – Mine Bitcoin via Browser
CryptoBrowser allows anyone to mine Bitcoin directly from their web browser. It’s free to get started and requires no technical knowledge, making it a strong choice for beginners.
Why It Works
- No software downloads required
- 100% free mining via browser
- Compatible with both desktop and mobile
- Additional referral bonuses for inviting friends
CryptoBrowser is perfect for those who want a quick and free entry into cloud mining.
6. Cruxpool – Trusted Mining Pool with Cloud Options
Cruxpool is a popular mining pool that also provides easy-to-use cloud mining contracts. Its reputation for transparency makes it a safe choice for beginners.
Key Features
- No hidden fees
- Bitcoin and altcoin mining supported
- Secure contracts with predictable payouts
- Simple onboarding for new users
Cruxpool is recommended for users who want a balance of stability and transparency.
7. WhiteBIT – Exchange with Mining Access
WhiteBIT is a crypto exchange that has expanded into mining services. By integrating trading and mining, it allows users to maximize profits without switching platforms.
Why Users Like It
- All-in-one exchange and mining platform
- Free rewards and referral bonuses
- Easy mobile app interface
- Transparent mining contract system
WhiteBIT is best for beginners who want both trading and mining benefits under one roof.
Final Thoughts
Cloud mining has become a popular way to earn Bitcoin in 2025, especially for beginners. Platforms like CryptoBrowser.site and EasyMiner offer free entry points, while Cruxpool and Libertex provide secure, transparent contracts. ETNCrypto, however, stands out as the top choice thanks to its $100 free signup bonus, ASIC-powered rigs, and no hidden fees.
If your goal is to mine Bitcoin safely and profitably with no upfront investment, these seven platforms provide the simplest and most trusted paths to success.