What Is Mining and How Does It Create New Coins?
Mining is one of the most fundamental concepts in the world of crypto, yet it is widely misunderstood. Some people think it simply means "making money with graphics cards"; others picture vast server farms and cannot figure out why they exist. In reality, mining is the core mechanism that powers operation, security and monetary issuance in blockchain networks like Bitcoin.
Let's break it down in plain language: what happens during mining, how new coins come into existence and why this matters for the entire crypto economy.
Mining is not just "extraction" — it is work
The word "mining" is borrowed from gold mining, and the analogy is not accidental. Just as gold must be physically extracted from the earth at a cost, new bitcoins are "mined" through computational work — spending electricity and processing time.
Miners are network participants who collect new transactions into a block, verify their validity and search for a special number (a nonce) that produces a digital fingerprint (hash) of the block meeting the network's requirements. The first miner to find that number earns the right to add the block to the blockchain and collect the reward — newly created coins plus transaction fees from every transaction in the block.
How new coins are created: the mechanics of issuance
In the traditional financial system, new money is printed by a central bank. Bitcoin works differently: new coins are created automatically according to a pre-programmed algorithm and awarded to miners as compensation for their work.
This is called the block reward. Every time a miner successfully adds a new block, the network "issues" a set number of new BTC and credits them to the winner's wallet. This is how Bitcoin enters circulation — not through a bank, but through computational labour.
One critical detail: the total supply of Bitcoin is capped at 21 million coins. As that cap approaches, the block reward is periodically cut in half — a process called the halving. To understand why the halving pushes BTC's price higher, read our article: What Is Bitcoin Halving and Why Does It Push the Price Up.
What a hash is and why miners "guess" it
A hash is a unique digital fingerprint of a block — like a fingerprint, the tiniest change in the data produces a completely different hash. The network sets a requirement: the hash of a new block must start with a certain number of zeros. The only way to find the right hash is by brute force — cycling through billions of combinations per second. That is exactly what miners do every moment of every day.
This approach is the foundation of the Proof-of-Work mechanism. To insert a forged block or rewrite transaction history, an attacker would have to redo all the computational work from scratch — physically and economically impossible given the scale of the network's hashrate.
Mining hardware: from graphics cards to ASICs
In Bitcoin's early days, mining was possible on a regular home computer. As network difficulty grew, specialised hardware became necessary:
- CPU (central processing unit) — the original approach, now obsolete: far too slow for the modern network.
- GPU (graphics card) — still relevant for certain altcoins (Ethereum Classic, Ravencoin and others).
- ASIC miner — a dedicated chip engineered for a specific hashing algorithm. For Bitcoin (SHA-256), ASICs are thousands of times more efficient than GPUs but only work for one coin.
Mining pools: how miners team up
The probability that a solo miner finds the required hash before thousands of other participants is extremely low. That is why most miners join pools — collaborative groups that combine their computational power and share rewards proportionally to each member's contribution.
Pools made mining accessible to smaller players: instead of rare but large payouts, participants receive a steady, modest daily income. The largest pools — Foundry USA, AntPool, F2Pool, ViaBTC — control a significant share of Bitcoin's global hashrate.
Mining difficulty and why it changes
The Bitcoin network automatically adjusts mining difficulty every 2,016 blocks (roughly every two weeks). If more miners join and blocks are found faster, difficulty rises. If miners drop off, difficulty falls. The goal is to keep the average time between new blocks at around 10 minutes.
This mechanism keeps the network stable regardless of how many participants join or what happens to the BTC price.
How much miners earn in 2026
Mining profitability depends on several factors: the current BTC price, the block reward size, electricity costs and the hashrate of the hardware. After the most recent halving, the block reward stands at 3.125 BTC. At a high Bitcoin price and low electricity cost, mining remains profitable for professional operators — particularly in countries with cheap power.
For the average user, direct mining today requires significant upfront investment. Alternatives include cloud mining or simply buying Bitcoin on an exchange and holding or spending it.
Mining and the environment: the main criticism
High electricity consumption is the primary argument critics level at PoW mining. Bitcoin's network does consume a substantial amount of energy, comparable to the consumption of some smaller countries. Supporters counter that a significant share of mining runs on renewable energy and that the energy footprint of the traditional banking system is comparable or larger.
The debate continues, but one thing is clear: PoW is a deliberate trade-off between energy efficiency and maximum decentralised security.
How to conveniently use cryptocurrency in Russia
Mining is one way to acquire crypto. But regardless of how you obtained it — mined it, bought it on an exchange or received it as payment — the same practical question arises in Russia: how do you spend it safely and conveniently?
The classic route through P2P cash-outs to a bank card is becoming increasingly risky: banks are tightening AML controls, suspicious incoming transfers are flagged and proving the origin of funds after the fact is painful. A far better approach is to use a service that converts cryptocurrency into rubles and pays merchants through official channels, without creating risks for your bank account.
OneSix: spend crypto like regular money
OneSix is a Telegram wallet for storing USDT and paying for purchases via SBP QR codes. It does not matter how you acquired your crypto — through mining, an exchanger or a P2P deal: simply top up your wallet and pay anywhere an SBP QR code is accepted.
Yandex services, Ozon, Wildberries, airline tickets, hotels, restaurants, online subscriptions — all available for USDT without unnecessary intermediaries. The merchant receives rubles; you spend crypto. Built-in AML control protects both parties.
How to get started
- Open the bot: @onesix_wallet_bot
- Create a wallet — no mandatory KYC.
- Top up your USDT (TRC-20) balance with zero deposit fee.
- Pay with crypto via SBP QR codes — OneSix converts your USDT to rubles automatically.
This material is for informational purposes only and does not constitute financial or legal advice.
