Beginner's guide
What is the Bitcoin halving
The halving is a scheduled event in Bitcoin that cuts in half the reward paid to miners about every four years. In practice, it reduces the pace at which new Bitcoins are created, reinforcing scarcity toward the 21 million limit. It’s a fixed rule in the code, not someone’s decision.
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Concept
Halving in one sentence
Every new Bitcoin enters circulation as a reward for those who mine, meaning those who help keep the network running. From time to time, this reward is cut in half. This cut is the halving.
The goal is simple: make new Bitcoins appear more and more slowly, until reaching the cap of 21 million. All of this has been written into the code from the beginning.
How does the halving work?
Three ideas explain everything.
Mining reward
Miners receive new Bitcoins for validating blocks. That’s how the currency enters circulation.
Cut in half
At the halving, this reward is reduced by half. Fewer new Bitcoins start being created per block.
Every 210,000 blocks
The event happens every 210,000 mined blocks, which is approximately four years.
The math of scarcity
The halving is what makes Bitcoin increasingly rare, in a predictable way.
Why it matters?
Why does the halving matter?
Controls issuance. Of new Bitcoins, making creation slower and slower.
Reinforces scarcity. Programmed, one of the pillars of the Bitcoin thesis.
Ensures the 21 million rule. Without relying on anyone’s decision.
Changes the mining economy. The reward per block decreases each cycle.
Halving and price: what is known?
A topic that creates a lot of expectation. It’s worth separating what is fact from what is speculation.
Draws attention
The halving is a landmark event and often generates a lot of discussion in the market as it approaches.
No guarantee
There is no guarantee the price will go up. It depends on many factors and can fall.
Each cycle is different
What happened in the past does not automatically repeat. Always look with caution.
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Frequently asked questions
The halving cuts miners' reward in half.
It happens about every four years, reduces the pace of creation of new Bitcoins, and reinforces scarcity toward the 21 million limit.
The halving happens approximately every four years.
The event occurs every 210,000 mined blocks.
The halving does not guarantee Bitcoin appreciation.
There’s no guarantee. The event reduces the supply of new Bitcoins and often draws attention, but the price depends on many factors and can fall.
Four Bitcoin halvings have already happened.
The first was in 2012, followed by 2016, 2020, and 2024. With each one, miners' rewards were cut in half.
You can track Bitcoin on a regulated platform.
At Brasil Bitcoin, you can track and buy Bitcoin by creating an account and depositing via Pix.
This content is for educational purposes only.
No. The halving does not guarantee appreciation and Bitcoin’s price is volatile. Always assess your profile and the risks involved.
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