What Is the Bitcoin Halving? Why It Matters
Roughly every four years, the reward that Bitcoin miners earn for adding a block to the blockchain is cut in half. This event — the halving — is one of the most-watched moments in crypto, because it steadily slows the rate at which new bitcoin is created. You can see a live countdown to the next one on our halving countdown tool.
What actually happens
New bitcoin enters circulation as a reward to miners for securing the network. About every 210,000 blocks — close to four years — that reward is halved automatically by Bitcoin’s code. It began at 50 BTC per block in 2009, then dropped to 25, 12.5, 6.25, and at the 2024 halving fell to 3.125 BTC. The next halving cuts it again to 1.5625 BTC. This continues until the last of the 21 million bitcoin is issued, expected around the year 2140.
Why it’s built in
The halving is the mechanism behind Bitcoin’s fixed supply. By making new coins progressively scarcer on a predictable schedule, it enforces the “digital gold” property its supporters value — no central bank can speed up issuance or print more. It’s monetary policy written in code rather than set by a committee.
The halving and price
Historically, each halving has been followed by a significant price cycle, and supporters point to the drop in new supply as a reason. But it’s important to be clear-eyed: past performance is not a prediction. A handful of past cycles is a very small sample, the halving is well known in advance (so markets may already price it in), and many other forces — interest rates, regulation, big investor flows and overall sentiment — move the price far more on any given day. Treat “the halving pumps the price” as a popular theory, not a guarantee.
What it means for you
For everyday holders, nothing changes about how you buy, hold or secure Bitcoin around a halving — your coins and wallet work exactly the same. The halving is best understood as context for Bitcoin’s long-term supply story, not a trading signal to act on. If you’re tempted to buy the hype, a steadier approach like dollar-cost averaging avoids trying to time it.
Learn more
New to Bitcoin? Start with what Bitcoin is, then our step-by-step buying guide. Compare Australian exchanges on our Trust Score ranking.
This is general information only, not financial advice. Bitcoin is volatile and high-risk — never invest more than you can afford to lose.
General information only — not financial or tax advice. Verified 2026-08-13; details can change.