How to Mine Bitcoin (BTC): Complete Guide

Quick Answer: Bitcoin mining in 2026 requires an ASIC miner (starting from ~$3,000), electricity below $0.08/kWh to be profitable, and membership in a mining pool. The current block reward is 3.125 BTC (post-April 2024 halving) per block, and network difficulty is approximately 138–140 trillion with a total hashrate around 800–900 EH/s. At BTC price ~$67,000 and $0.05/kWh electricity, a modern 390 TH/s ASIC earns roughly $2.58/day after power costs — making home mining marginally profitable only for those with access to cheap electricity. Industrial-scale operations and cloud mining are the dominant models in 2026.

Key Takeaways

• Bitcoin mining requires ASIC hardware exclusively — CPU and GPU mining Bitcoin is no longer profitable as of 2026
• The April 2024 halving cut block rewards from 6.25 to 3.125 BTC, reducing miner revenue by ~51% in BTC terms overnight
• Network hashrate surpassed 1 zettahash/second (ZH/s) on a sustained 7-day average in 2025 — a historic first; difficulty peaked at 155.9 trillion in late 2025
• Electricity cost is the primary profitability variable: operations below $0.06/kWh are competitive; above $0.10/kWh is generally unprofitable with any current hardware
• Best ASIC miners in 2026: Bitmain Antminer S21 Pro (234 TH/s, 15 J/T), MicroBT WhatsMiner M63S (hydro-cooled, 390 TH/s), Canaan Avalon A15
• Mining pools (F2Pool, AntPool, Foundry USA, ViaBTC) are required for individual miners — solo mining is statistically equivalent to a lottery with near-zero odds
• Cloud mining offers a lower-barrier alternative but most contracts are unprofitable unless BTC price rises significantly

Bitcoin Mining Network Stats (June 2026)

Source: blockchain.com, CoinWarz

What Is Bitcoin Mining?

Bitcoin mining is the process by which new Bitcoin transactions are verified, added to the blockchain, and new BTC is issued into circulation. Miners compete to solve a complex cryptographic puzzle — called the Proof of Work (PoW) problem — using specialized computing hardware. The first miner to find a valid solution broadcasts it to the network, earns the block reward (3.125 BTC) plus all transaction fees in that block, and the process repeats approximately every 10 minutes.

This mechanism serves three purposes simultaneously: it secures the Bitcoin network against attack (rewinding the blockchain would require redoing all the Proof of Work), processes and confirms user transactions, and controls the rate at which new BTC enters circulation according to Bitcoin’s fixed issuance schedule.

Key concept — Difficulty Adjustment: Every 2,016 blocks (~2 weeks), the Bitcoin protocol automatically adjusts mining difficulty to maintain a 10-minute average block time regardless of how much total hashrate is on the network. More miners → higher difficulty → each miner’s share of rewards shrinks. Fewer miners → lower difficulty → remaining miners earn more per unit of hashrate. As blockchainreporter reported, Bitcoin’s mining difficulty reached 100T for the first time in November 2024 — with the 7-day average hashrate then at 755 EH/s. By 2026, both metrics have climbed substantially further.

The 2024 Halving Impact: Why Mining Got Harder in 2026

The April 2024 halving was the most consequential event in Bitcoin mining since the network launched. Daily miner revenue dropped by roughly 51% in BTC terms overnight — from ~900 BTC/day to ~450 BTC/day. As blockchainreporter’s analysis noted, Bitcoin’s network hashrate surpassed 1 zettahash per second in 2025 for the first time in history, even as hashprice (revenue per unit of hashrate) fell to a historic low of $42.40 per exahash/day in April 2025.

The combined effect:

• Higher-cost operations (primarily older hardware, expensive electricity regions) have been forced offline
• Institutional mining operations with sub-$0.04/kWh electricity costs dominate the hashrate
• On March 21, 2026, the network saw one of its largest single difficulty drops in history at 7.76% — driven by a wave of high-cost operations going offline amid compressed margins and severe weather disruptions across North America

This has made the profitability window for individual miners extremely narrow. It has not killed Bitcoin mining — it has professionalized it.

Method 1: ASIC Mining (Most Profitable, Highest Investment)

ASIC (Application-Specific Integrated Circuit) miners are purpose-built computers designed exclusively to compute the SHA-256 algorithm used by Bitcoin. They are the only hardware capable of mining BTC profitably in 2026.

Step-by-step setup:

Step 1: Choose your ASIC hardware

Efficiency (J/T) is the most critical spec: the lower the joules per terahash, the less electricity consumed per unit of mining output. In 2026, competitive operations target under 17 J/T.

Step 2: Calculate profitability before purchasing Use CoinWarz or WhatToMine with your specific hardware specs and local electricity rate. At BTC $67,000 and $0.05/kWh, a 390 TH/s machine earns approximately $2.58/day after power costs — an annual return of ~$942 on hardware that costs $8,000–$13,000. ROI at this rate: 8.5–14 years, far exceeding typical ASIC lifespan of 3–5 years. This illustrates the profitability challenge.

Profitability improves significantly with cheaper electricity:

• At $0.03/kWh: daily profit ~$8–$12 on a modern 390 TH/s unit
• At $0.08/kWh: break-even or slight loss on most hardware

Step 3: Prepare your infrastructure

• Power supply: ASIC miners require 240V power infrastructure (not standard household outlets in many regions). A licensed electrician should install dedicated circuits
• Cooling: ASICs generate substantial heat. Industrial air cooling is the minimum; hydro-cooled units (Antminer S21 Hydro, WhatsMiner M63S) are preferred for dense deployments
• Internet: Stable broadband connection; mining pools require minimal bandwidth but uptime matters
• Location: A garage, basement, or dedicated facility with good ventilation; noise levels of 70–80 dB+ make residential deployment difficult

Step 4: Set up a Bitcoin wallet You need a wallet address to receive mining rewards. Options:

• Hardware wallet (Ledger, Trezor) — most secure for long-term holdings
• Exchange wallet (Binance, Coinbase) — convenient if converting to fiat regularly
• Electrum — lightweight desktop Bitcoin wallet

Step 5: Choose a mining pool Solo mining a single block at 390 TH/s against a 900 EH/s network gives you approximately 1-in-2.3-million odds per block attempt — equivalent to winning a lottery. Mining pools combine hashrate from thousands of miners and distribute rewards proportionally.

Most pools use FPPS (Full Pay Per Share) or PPLNS (Pay Per Last N Shares) payout models — FPPS offers more predictable daily income; PPLNS benefits consistent long-term miners.

Step 6: Configure your ASIC

1. Connect the ASIC to power and ethernet
2. Access the miner’s web interface via its local IP address (typically 192.168.x.x)
3. Enter your pool’s stratum URL, your wallet address (as your worker name), and a worker password
4. Save and let the miner run

Mining begins immediately once the pool accepts your connection. Monitor via the pool’s dashboard.

Method 2: Mining Pool (Home or Small-Scale Setup)

For home miners with 1–5 ASIC units, joining a pool is essential. The setup is identical to Step 5–6 above, but configuration matters:

• Use pools with low minimum payout thresholds (0.001 BTC or less) for faster reward accumulation
• Geographic proximity to pool servers reduces latency and rejected shares — use a pool with servers in your region
• Braiins OS+ (open-source ASIC firmware) can improve efficiency by 5–20% on older S19-series hardware
• Monitor your operation via pool dashboards; track hashrate stability, rejected share rates, and temperature alerts

Method 3: Cloud Mining

Cloud mining lets you rent hashrate from industrial mining facilities without owning any hardware. You purchase a contract specifying TH/s for a defined period, and the provider mines on your behalf, sending BTC payouts after deducting electricity and maintenance fees.

How to evaluate cloud mining contracts:

1. Calculate total expected payout: (TH/s × daily BTC per TH/s at current difficulty) × contract days
2. Subtract: contract price + maintenance fees (typically $0.08–$0.12/kWh equivalent)
3. If total payout > total cost, the contract is profitable — but only if BTC price doesn’t fall

Warning: Most cloud mining contracts are unprofitable at the time of purchase at current BTC prices and difficulty. Profits materialize only if BTC price rises significantly during the contract period. Be wary of platforms promising guaranteed returns.

Reputable cloud mining platforms (2026):

• NiceHash — hashpower marketplace; buy BTC hashrate or sell your own; most transparent pricing
• Bitfufu — Bitmain-affiliated; institutional-grade contracts; clean reporting
• GoMining — user-friendly; NFT-based mining model; transparent hashrate dashboards
• Hashing24 — long-established; 24/7 support; BTC-only contracts

Red flags to avoid: Guaranteed daily returns above 2%, no verifiable data center information, MLM referral structures, platforms that launched less than 12 months ago.

Bitcoin Mining Profitability in 2026: The Real Numbers

The economics of Bitcoin mining are tighter post-halving than at any previous point in the cycle:

Daily profitability calculator (Antminer S21 Pro, 234 TH/s, 3,510W):

Assumes BTC at $67,000; June 2026 difficulty ~139T. Revenue fluctuates with BTC price and difficulty adjustments.

Key takeaway: Only miners with electricity below ~$0.08/kWh can profitably run modern ASIC hardware in June 2026. Industrial operations in Iceland, Norway, Paraguay, Kazakhstan, and parts of the US (Texas, Wyoming) with sub-$0.04 power are the dominant competitive force.

As blockchainreporter’s analysis highlighted, the BeMine platform noted that network hashrate surpassed 800 EH/s in 2026 with difficulty peaking at 155.9 trillion in late 2025 before the March 2026 adjustment. The 7.76% difficulty drop on March 21, 2026 briefly improved margins for surviving operations.

How Much Bitcoin Is Left to Mine?

Bitcoin has a hard maximum supply of 21 million BTC. As of June 2026, approximately 20.04 million BTC have been mined, leaving roughly ~980,000 BTC yet to be issued.

At the current rate of ~450 BTC/day, the remaining supply will take approximately 5–6 years to issue at the current block reward — but block rewards halve again in ~April 2028, further slowing issuance. The final Bitcoin is estimated to be mined around the year 2140.

After all Bitcoin is mined, miners will be compensated entirely through transaction fees — a design feature Satoshi Nakamoto built into the protocol from day one to ensure mining remains economically viable long-term.

How Long Does It Take to Mine 1 Bitcoin?

At current network conditions (June 2026, difficulty ~139T, BTC price ~$67,000):

• Solo mining with a single 390 TH/s ASIC: statistically ~5,667 days (~15.5 years) to mine 1 full BTC alone
• Pool mining with 390 TH/s: earns fractional daily rewards; accumulates 1 BTC over approximately 5,667 days of pool participation
• Large farm (100 units × 390 TH/s = 39,000 TH/s): approximately 56 days to mine 1 BTC equivalent in pool rewards

The only realistic path to mining full BTC blocks consistently is operating a facility with hundreds of petahashes/second — the domain of industrial operators.

Is Bitcoin Mining Legal?

Bitcoin mining is legal in most countries, but regulatory status varies:

• United States: Legal; regulated as a business activity; subject to income tax on mined BTC and capital gains tax on sale. Some states (Texas, Wyoming) have pro-mining legislation
• European Union: Legal in most member states; classified as taxable income; EU’s MiCA regulation (fully in force 2026) addresses mining environmental disclosure requirements
• China: Banned since September 2021; the mining ban remains in force as of 2026
• El Salvador: Legal and officially encouraged; government-backed mining using geothermal energy
• Kazakhstan, Russia: Legal with significant industrial mining operations; regulatory frameworks vary

Always consult a tax professional in your jurisdiction. Mined BTC is typically taxed as ordinary income at the fair market value on the day it is received, and again as capital gains when sold.

Mining at Home vs. Industrial Mining: Which Makes Sense in 2026?

Home mining reality check: At US average residential electricity of ~$0.17/kWh, all ASIC mining is deeply unprofitable regardless of hardware quality. Home mining in 2026 is primarily a hobbyist activity, not a revenue-generating strategy.