Bitcoin Halving Explained: What It Is, Why It Matters, and Cycle History

What gets halved

Every 210,000 blocks, roughly every four years, the block subsidy paid to miners is cut in half. The 2024 halving reduced new issuance from 6.25 to 3.125 BTC per block. The next halving, expected around 2028, will reduce it to 1.5625 BTC.

Why it matters for supply

The halving is the mechanism that makes Bitcoin's total supply converge on 21 million. It also gradually shifts miner revenue from block subsidy to transaction fees, which matters for long-term network security.

What history suggests

Each of the prior halvings was followed by a strong cyclical advance over the subsequent 12 to 18 months. Whether that pattern repeats, and whether causation is real or coincidental, is debated. Demand factors (ETFs, sovereigns, corporates) and macro conditions have arguably become more important than the issuance change itself.

How to position

Most long-term investors do not try to trade the halving directly. Those who do typically build exposure ahead of the event, set rules for taking partial profits during the post-halving advance, and rotate risk down as volatility expands.

Active traders can express directional views using spot and derivatives markets on venues such as Bybit, with strict risk management around leverage.