{"id":52,"date":"2026-07-12T00:54:21","date_gmt":"2026-07-12T00:54:21","guid":{"rendered":"https:\/\/bitcoindigital.info\/what-is-the-bitcoin-halving\/"},"modified":"2026-07-12T19:24:21","modified_gmt":"2026-07-12T19:24:21","slug":"what-is-the-bitcoin-halving","status":"publish","type":"post","link":"https:\/\/bitcoindigital.info\/es\/what-is-the-bitcoin-halving\/","title":{"rendered":"What Is the Bitcoin Halving? A Guide to Bitcoin’s Supply Schedule"},"content":{"rendered":"

Every so often, the rate at which new bitcoin enters circulation gets cut in half. This event, known as the Bitcoin halving, isn’t a decision made by any company, exchange, or government \u2014 it’s written directly into the software that every participant in the Bitcoin<\/a> network runs. Understanding how it works helps explain why Bitcoin behaves differently from money a central bank can create on demand, and why the topic resurfaces in crypto conversations on a predictable schedule rather than as breaking news.<\/p>\n

How the Bitcoin Halving Works<\/h2>\n

Bitcoin miners compete to add new blocks of transactions to the blockchain, and each time one succeeds, the protocol pays a reward in newly created bitcoin. That reward doesn’t stay fixed forever. Built into the original design is a rule that cuts the reward in half every 210,000 blocks \u2014 a pace that works out to roughly every four years, since the network targets a fairly steady average time between blocks and adjusts automatically to keep that pace consistent.<\/p>\n

It helps to think of this as an issuance slowdown rather than a supply cut in the everyday sense. Existing coins don’t disappear and nothing is removed from anyone’s wallet. What changes is only how many new coins are created and paid to miners from that point forward. For more on how blocks are produced in the first place, see our explainer on mining<\/a>.<\/p>\n

In short: the halving is a scheduled, code-enforced reduction in how quickly new bitcoin is created \u2014 not a change to coins that already exist.<\/p><\/blockquote>\n

Why Bitcoin Has a Fixed Supply Cap<\/h2>\n

The halving mechanism is the engine behind one of Bitcoin’s most cited features: a hard cap of around 21 million coins that will ever exist. Because the block reward steps down on a fixed schedule rather than being issued at a constant rate, new supply follows a predictable, decreasing curve instead of a straight line. The reward for each block was far larger in Bitcoin’s early years than it is now, and it keeps stepping down at every halving. Eventually the reward becomes small enough that new issuance tapers toward nothing at all.<\/p>\n

Because each halving cuts the reward proportionally rather than by a fixed amount, the total new supply created shrinks in a geometric curve over time. That kind of curve front-loads issuance heavily toward the network’s earliest years and stretches a long tail out far into the future, rather than spreading new coins out evenly across time.<\/p>\n

This stands in contrast to how most fiat currencies work, where a central authority can choose to issue more money in response to economic conditions. Bitcoin’s issuance schedule, by comparison, was fixed at launch and can’t be quietly changed without broad agreement across the network. That predictability is a large part of why the halving<\/a> draws attention: the schedule is public and known well in advance, rather than left to a committee’s discretion.<\/p>\n

What Actually Changes During a Halving<\/h2>\n

From an everyday user’s perspective, very little changes the moment a halving happens. You can still send and receive bitcoin exactly as before. Transaction fees, wallet balances, and the rules used to validate the network are untouched. The only thing that shifts is the size of the block reward<\/a> paid to whichever miner adds the next block.<\/p>\n