What is Crypto Mining?
Crypto mining is why most cryptocurrencies exist today and is why the underlying crypto technology – blockchain, is so secure. So, what exactly is it? It’s the process by which cryptocurrency transactions are processed and confirmed, leading to new blocks in the blockchain.
To understand how it works, you must understand the components of a blockchain. Crypto blockchains are digital ledgers that allow any network participant with sufficient computing resources to verify transactions. Each block in the chain contains:
- Multiple transactions.
- A timestamp.
- A cryptographic hash (like a digital fingerprint). These hashes form the chain in the blockchain.
To validate the new batch of transactions, miners must solve complex computational puzzles and generate the hash for the next block. This process is computationally intensive and requires a lot of processing power, which is why it’s called mining. Plus, as with traditional mining, where miners get to mint new minerals by expending physical power, crypto mining creates new cryptocurrencies in the network.
The first miner to find the correct solution broadcasts it to the rest of the network for verification. If verified, the new block is added to the chain. This process is repeated and will continue until all of that network’s crypto is circulating.
Cryptocurrency mining began with Bitcoin, introduced by the pseudonymous Satoshi Nakamoto in 2008. In the early days of Bitcoin, mining was relatively simple and could be done on basic home computers.
However, with each new block created, the cryptographic puzzle became harder to ensure that new coin minting didn’t happen too quickly or slowly. This maintains cryptocurrency’s planned scarcity and distribution model.
Today’s large-scale mining operations resemble data centers more than computer rooms, with specialized cooling systems, power management, and thousands of mining units running 24/7.
The cost of setting them up easily pushes to four figures. For instance, application-specific integrated circuits (ASICs) cost several thousand dollars and become obsolete within a year or two as newer, more efficient models emerge. Yet miners must also cover ongoing expenses such as electricity, internet connectivity, maintenance and cooling, and labor for large-scale operations. This complexity is why individual miners pool their resources.
Types of Crypto Mining
Just like there are different ways to mine traditional minerals, there are also different ways folks go about crypto mining. Check out the main types of crypto mining:
1. GPU Mining
With this approach, miners use graphic cards (GPUs) to solve the complex cryptographic hashes necessary for block validation. GPUs mine different cryptocurrencies regardless of algorithms, and when not mining, they serve other purposes like gaming or video editing. Commonly GPU-mined coins include:
- Ravencoin (RVN).
- Monero (XMR).
- Vertcoin (VTC).
- Zcash (ZEC).
2. CPU Mining
CPU miners rely on a computer processing unit to solve crypto puzzles. It’s mainly reserved for ASIC and GPU-resistant cryptocurrencies. The easiest crypto to mine with a PC include:
- Monero (deliberately ASIC-resistant).
- Bytecoin (BCN).
- Aeon (AEON).
- Verus Coin (VRSC).
- Turtle Coin (TRTL).
You can still mine crypto using your CPU, but the profitability is generally lower due to lower hash rates and power consumption.
3. ASIC Mining
ASICs are computer chips made for one job and one job only – solving the cryptographic hash puzzle. These super-specialized chips generate over one quintillion random nonces per second, enabling miners to solve the puzzle within the desired time limit.
So what’s the catch? They’re expensive, ranging from $500 to $15,000, and become obsolete as newer models emerge. Additionally, they’re algorithm-specific. These factors impede centralization, as mining becomes concentrated among those who can afford the expensive hardware. This is partly why some cryptocurrencies intentionally use ASIC-resistant algorithms to promote more decentralized mining.
Besides Bitcoin and Litecoin, other commonly ASIC-mined cryptos include:
- Dash (DASH) – X11 algorithm.
- Bitcoin Cash (BCH) – SHA-256 algorithm.
- Dogecoin (DOGE) – Scrypt algorithm.
Pros and Cons of Mining Crypto
Feel like mining is the gig for you in the cryptocurrency space? Then note that just like any other venture, crypto mining has its fair share of ups and downs.
Pros
- Very Financially Rewarding: Instead of shelling out your hard-earned cash to buy crypto in exchange, mining lets you earn it through your computer power. Plus, you’ll bag all of that block’s transactional fees.
- Passive Income Generation: Unlike crypto trading, which requires active market monitoring, once you set up your rig, you only need to check if everything works and handle payouts occasionally.
- Early Access to New Coins: Miners access new cryptocurrencies before they become popular. This means massive returns if those coins increase in value.
- Exposure to Crypto Tech: Mining allows you to contribute to crypto decentralization and security. Furthermore, with certain cryptocurrencies, miners get voting rights on proposed changes to the network’s protocol. Mining in such networks gives you a say in the future direction of the cryptocurrency you’re investing in.
Cons
- High Initial Investment: It costs hundreds of thousands to set up even a simple GPU mining rig due to the upfront hardware expenses and ongoing maintenance costs.
- Hardware Depreciation: Despite pushing to four figures, mining equipment goes obsolete fast. ASICs, in particular, have a short lifespan of relevance, often becoming less profitable within 1-2 years.
- Market Volatility: The crypto market is notoriously volatile. A sudden drop in the price of the cryptocurrency you’re mining can instantly turn a profitable operation into a loss-making venture.
- Technical Knowledge: Successful mining operations demand a good understanding of computer hardware, networking, and cryptocurrency protocols.
- Environmental Concerns: Mining rigs consume a considerable amount of electrical power. Bitcoin mining alone has been estimated to consume as much electricity as small countries. Rigs also generate massive noise and heat. These factors collectively cause substantial environmental impact, which triggers increasing regulatory scrutiny and potential restrictions.
Best Cryptos to Mine in 2026
| Cryptocurrency | Hardware Required | Mining Reward Per Block | Difficulty | Average Block Time |
|---|
| Bitcoin | ASIC miner.s | 3.125 BTC | Highest. | 10 Minutes. |
| Litecoin | ASIC Miners. | 6.25 LTC | High. | 2.5 Minutes. |
| Dogecoin | ASIC miners: Same Scrypt miners as Litecoin. | 10,000 Doge | Moderate. | 1 Minute. |
| Monero | CPU, High-end GPU. | 0.6MXR | Low (ASIC-resistant). | 2 Minutes. |
| Ethereum Classic(ETC) | GPU or ASIC Miners. | 2.56 ETC | Medium. | 13 Seconds. |
| Dash | ASIC Miners. | 1.9 Dash but divided between master nodes and treasure in 45%, 45%, and 10%. | Medium-High. | 2.5 minutes. |
Here are the best cryptos to mine in 2025:
Bitcoin (BTC)
Even with its increasing mining difficulty, Bitcoin remains one of the most profitable crypto to mine today. It has established market dominance and stability, guaranteeing miners strong ecosystem support and sustainable rewards even when block subsidies reduce.
So, what do you need to participate? Mining Bitcoin calls for ASIC hardware specifically curated for the SHA-256 algorithm. The most efficient models in 2025 include the Antminer S21 Pro, Whatsminer M50S+, and the Avalon A1366. These machines don’t come cheap – expect to part ways with between $5,000 to $10,000 for a single unit.
Bitcoin miners typically use CGMiner, BFGMiner, or BitMinter on the software end. If you intend to mine Bitcoins, you should note that approximately 19.6 million coins are already in circulation as of 2025. Furthermore, mining difficulty is so high that solo mining is virtually impossible.
- Mining Pools: F2Pool, Foundry USA, or AntPool.
- Maximum Token Supply: 21 million.
- Blockchain Consensus: PoW.
- Reward per Block: 3.125 BTC mined every 10 minutes.
Even with the most advanced ASICs, expect returns of about $10-20 per day per machine at current prices. It would take 1-2 years to recoup your initial hardware investment.
Litecoin (LTC)
Litecoin, launched in 2011 by Charlie Lee, is a faster alternative to Bitcoin. It uses the Scrypt algorithm, which was initially designed to be more accessible to average miners than Bitcoin’s SHA-256 and only required GPUs.
However, the increasing difficulty has seen miners turn to ASICs like the Antminer L7, Bitmain L9, iPollo G1 Mini (1.3 GH/s), and Goldshell LT6, which cost between $3,000 and $15,000. Miners rely on MultiMiner, EasyMiner, or CGMiner with Scrypt configuration for software. While you can go solo, consider Litecoin mining pools for consistent payouts.
Litecoin has around 75 million coins already in circulation. Its rewards halve out roughly every four years. The previous halving occurred in August 2023. If you settle on this crypto, expect returns between $3 and $15 per machine.
- Mining Pools: LitecoinPool.org, Poolin and ViaBTC.
- Maximum Token Supply: 84 million coins (exactly four times Bitcoin’s cap).
- Blockchain Consensus: PoW.
- Reward per Block: 6.25 LTC with blocks generated approximately every 2.5 minutes (four times faster than Bitcoin).
Dogecoin (DOGE)
Dogecoin began as a meme created by software engineer Jackson Palmer. The joke, however, caught the right people’s attention, including an engineer who created its protocol. Today, this meme coin is one of the most valuable and the best cryptos to mine in 2025.
Even better, Dogecoin uses the same Scrypt algorithm as Litecoin. Consequently, you can use the hardware models and software mentioned in our Litecoin review above for Dogecoin mining.
This makes both options the best beginner-friendly cryptos to mine since you can switch between the two without changing hardware. Dogecoin is an inflationary cryptocurrency, meaning it has no fixed maximum supply.
- Mining Pools: Prohashing, AikaPool, and Zpool.
- Blockchain Consensus: PoW.
- Reward per Block: 10,000 Doge (decreases proportionally as total supply grows).
Monero (XMR)
Don’t have the capital to invest in an ASIC miner? Consider Monero, one of the leading low electricity cost mining coins. It’s built on the RandomX algorithm which is deliberately made CPU-efficient but inefficient on ASICs.
It’s compatible with most modern CPUs as long as they have a high cache and multiple cores. Most Monero miners typically use AMD Ryzen 9, high-end Intel Core i9 processors, or NVIDIA GeForce RTX 3000 and 4000 series. These models cost around $1,000 – $2,000 and include motherboards, RAM, and cooling systems.
The go-to mining software for Monero is XMRig. It’s specifically designed for RandomX and supports both CPU and GPU mining. Other options include XMR-Stak and MoneroOcean. Like Dogecoin, Monero has no hard cap on its total supply. Instead, it uses a decreasing emission curve.
- Mining Pools: Nanopool, SupportXMR, and 2Miners.
- Blockchain Consensus: PoW.
- Reward per Block: 0.6 XMR, blocks generate every two minutes.
Daily returns for individual Monero miners vary from a fraction of a dollar to a few dollars ($0.50 – $1.50) daily. Although this seems low compared to other ASIC-mined cryptocurrencies, the lower hardware cost and Monero’s strong privacy features keep it popular among independent miners. Monero’s ASIC resistance means mining profitability stabilizes over time compared to ASIC-mined coins.
Zcash (ZEC)
Liked Monero? Then you might fancy Zcash as it’s also a privacy-focused cryptocurrency. It was created as a fork for Bitcoin but with added privacy features.
This crypto runs on the Equihash algorithm. It was initially ASIC-resistant, but developers have since designed Zcash-specific ASIC miners. Consequently, you can use a high-end GPU like the Nvidia GeForce RTX series or Equihash-specific ASICs like the Antminer Z15 or the Innosilicon A9++ ZMaster to mine Zcash.
Popular mining software for Zcash include EWBF’s Cuda Miner (for NVIDIA GPUs), Claymore’s ZCash Miner (for AMD and NVIDIA GPUs), and lolMiner.
- Mining Pools: Flypool, 2Miners, and F2Pool.
- Maximum Token Supply: 21 Million.
- Blockchain Consensus: PoW.
- Reward per Block: 0.3 ZEC generated about every 75 seconds.
Ethereum Classic (ETC)
When Ethereum moved to the Proof-of-Stake mechanism, Ethereum Classic stayed on the original Proof-of-Work model. Consequently, it became the go-to for miners who invested in ETH mining equipment.
ETC uses the EtcHash algorithm (a variant of Ethereum’s previous EthHash) compatible with GPUs. Consequently, GPU mining is the most popular approach, with most miners using NVIDIA’s RTX 3000 and 4000 series and AMD’s RX 6000 and 7000.
To set up a decent ETC mining rig, you’d need around 6-8 GPUs, costing around $5,000 – $10,000. Software options include TeamRedMiner (for AMD GPUs), PhoenixMiner, and NBMiner.
- Mining Pools: Ethermine, 2Miners, and F2Pool.
- Maximum Supply: 210,700,000.
- Blockchain Consensus: PoW.
- Reward per Block: 2.56 with blocks generated roughly every 13 seconds.
The profitability of Ethereum Classic mining depends on your GPU hardware, electricity costs, and the price of ETC. However, on average, miners bag around $0.50 – $2.00.
Dash (DASH)
Closing our list is Dash, a cryptocurrency designed for fast, private transactions. It features the X11 algorithm which was created to be more energy efficient than Bitcoin’s SHA-256.
Dash mining uses ASIC miners like Antminer D7, the StrongU STU-D1, and the Innosilicon A5+. Commonly used software includes the CGMiner, BFGMiner, and Multiminer.
- Mining Pools: AntPool, Poolin, and MiningPoolHub.
- Max Supply: 18.9 million.
- Reward per Block: 1.9 Dash. However, Dash rewards are split between miners, master-nodes, and treasury.
- Potential Returns: $3 – $8 per day.
Factors to Consider Before Choosing a Crypto to Mine
Since each crypto needs specific, often pricey hardware, you can’t just pick one out of a hat. Here are key factors you should consider to choose a cryptocurrency that’ll be worth your investment:
Profitability & Mining Rewards
Is mining still profitable in 2025? The answer is it depends.
Different cryptocurrencies offer different block rewards. Bitcoin, for instance, currently rewards miners with 3.125 BTC per block (following the 2024 halving). Other coins might offer higher quantities but at lower dollar values.
Moreover, some cryptocurrencies follow a halving schedule (like Bitcoin), where the mining reward is cut in half after a certain number of blocks are mined. This directly affects the long-term profitability of the miner. Use online mining calculators to gauge potential profitability before investing in the costly components necessary for a mining rig.
Electricity Costs
What do electrical costs have to do with the crypto mined? Each cryptocurrency consumes different amounts of electricity based on its algorithms. Cryptocurrencies built on SHA-256 algorithms like Bitcoins are extremely energy-intensive, while those built on algorithms like RandomX, for instance, Monero are energy-efficient crypto mining options.
Mining Difficulty
The higher the mining difficulty, the more computing power you’ll need to solve the puzzle. Thus, the higher overhead costs will be, which reduces your profit margin. Unfortunately, as more miners join the network, the difficulty increases.
So, when selecting a crypto to focus on, investigate its historical difficulty trend.
Mining Software & Hardware Recommendations
Your crypto choice will dictate the equipment you’ll need and your initial investment. For example, Bitcoin mining is now dominated by ASIC miners that cost thousands of dollars. On the other hand, top cryptocurrencies with low mining difficulty, like Monero, can still be mined with CPUs or GPUs, which are relatively affordable compared to ASICs.
Each cryptocurrency also requires specific mining software. This further adds to the upfront costs. Research the hardware and software combination ideal for your chosen cryptocurrency. Factor in the efficiency, reliability, and lifespan of the hardware and UI, when comparing mining software for beginners.
Regulatory Region
Regulations in your target region will directly impact your ability to mine crypto. For instance, cryptocurrency mining is banned in China. Consequently, resident miners would have to consider relocating to a crypto-friendly jurisdiction.
Bottom Line
Crypto mining offers dual rewards: the challenge, freshly minted coins, and transaction fees. Nevertheless, major barriers exist: high startup costs, ongoing maintenance expenses, environmental impact, and regulatory hurdles. If these challenges don’t deter you, our list showcases the best cryptos to mine in 2025 and even describes how to choose the best coin to mine to help set you up for success.