Why Can There Only Be 21 Million Bitcoins? (2024)

There’s a light that shines bright in the finance world, and it won’t go out - it’s called Bitcoin.

The cryptocurrency’s popularity exploded in the past couple of years.

This mainly happened in times of distress and crisis, and this is what fascinates everyone.

Bitcoin’s ability to remain a strong asset, at the same time uncorrelated to the traditional markets, is boosting its popularity.

This is making the digital coin enjoy the spotlight as a safe haven and a hedge against inflation.

Bitcoin’s inventor, Satoshi Nakamoto, capped the number of coins at 21 million, and a lot of people who are new in the crypto space are wondering why.

There are a few explanations for which Satoshi might have done this, and we’ll analyze the most intriguing ones below.

These versions have to do with scarcity and inflation control. There’s also the money-replacing theory and an alternative as well.

Check out the most important details about these theories.

Table of Contents

Bitcoin’s limited 21 million supply

Just like a lot of other digital assets, Bitcoin has been built by its creator around the concept of a finite supply.

This means that Satoshi has set a fixed upper limit regarding the number of Bitcoins that can ever come into existence.

He set the Bitcoin supply upper limit at exactly 21 million.

In the case of other digital assets, this number varies.

For instance, Ripple’s XRP has a fixed supply of 100 billion, while the anonymity coin Monero (XMR) has a lower fixed supply of 18.9 million.

Scarcity and inflation control

Bitcoin’s limited supply is a massive advantage for the coin because it keeps it scarce.

The scarcer an asset is, the more valuable it can get.

Keeping Bitcoin scarce can ensure that the value of the digital asset can hold steady for years to come. This is also one of the reasons for which Bitcoin is usually called digital gold as well.

Just like gold, we only have a certain amount of Bitcoins in existence.

More than that, it’s really important to understand that by keeping the number of Bitcoin capped at 21 million, inflation can be controlled.

We are referring to the inflation that can arise from an unlimited supply of coins.

In order to control inflation, Satoshi embedded a fixed supply of the digital asset into the network’s code.

This limited supply is the one that makes Bitcoin a scarce asset, and it’s the main trigger that can boost the coin’s price in the future.

Just think about it – there can only be 21 million Bitcoins in existence, and this will ensure a steady flow of liquidity.

The coin will also be minted at a fixed rate. Bitcoin is mined by miners who are solving complex mathematical puzzles in order to verify and validate blocks of transactions that occur in the network.

Creating new crypto using a Proof-of-Stake (PoS) consensual algorithm is called minting.

Proof-of-Work (PoW) coins come into existence via the process called mining.

Both terms were created from real-world coin making. For instance, silver and gold are mined out of the ground, and then they are minted into coins that will enter circulation.

Understating inflation

Inflation is on the rise everywhere, especially since the world is hopping from one crisis to another.

As inflation grows, people are always looking to protect their savings from the devaluing effects that it brings. Inflation mirrors the rising prices of goods and services.

When we see such surging prices, the purchasing power of the masses decreases. This means that more fiat money is required to buy goods and services that you would have been able to buy for lower amounts a while ago.

There are various reasons for which inflation can rise in a society, and these involve macro and micro factors.

But, overall, most experts have already agreed that sustained inflation occurs when there is an increased supply of fiat currency in circulation that is not matching the economic growth of that specific country.

Bitcoin is a hedge against inflation

CNBC recently published an article in which they describe how Bitcoin is a great hedge against inflation.

It’s important to start by highlighting the fact that a good hedge against inflation is able to appreciate in value. This should happen even as the purchasing power of fiat currency is going down.

Throughout history, gold and real estate used to be the standard assets that protected people against inflation.

Now, Bitcoin is the star. It has managed to work great as a hedge against inflation so far, and it delivers massive returns to investors.

As CNBC’s article notes, the main factor that makes Bitcoin the best hedge against inflation is exactly the limited supply of 21 million Bitcoin.

The hard cap was embedded by Satoshi into Bitcoin’s source code.

You should also note that since then, there have already been generated 19 million coins. There are only 2 million to go.

Another issue worth mentioning is that there’s no one who can change the source code of Bitcoin in order to boost the supply.

There’s no excess supply, and the coins that are already in existence will become scarce. The increased demand that we’ll see over time will turn out to increase the price of Bitcoin.

The asset’s portability is also worth mentioning because, unlike gold, it can travel from one corner of the world to another in seconds. Bitcoin is amazing for the unbanked masses as well.

Rising inflation triggers a boost in crypto mass adoption

The rising inflation has a positive result in terms of crypto: it can trigger more digital asset adoption.

Just recently, MicroStrategy’s CEO Michael Saylor who is also a Bitcoin maximalist, revealed his thoughts on the matter.

He believes that an increase in inflation will weaken the global currencies, and it will also end up boosting the crypto mass adoption.

He explained that a surge in prices would impact the whole economy and public debt.

The Bitcoin evangelist recommends BTC as a strong hedge against inflation. He also talks about Bitcoin as a store of value to financial institutions, investors, and economists.

What happens after all Bitcoin is mined

So far, 19 million Bitcoins have already been mined. The last two million that are left will take the most due to a reduction feature.

This is a feature that’s been added by Satoshi, and it refers to the fact that the number of bitcoin each block is producing is reduced by half every four years.

The cycle will continue until there is no more Bitcoin left to mine – this is estimated by experts to be in 2140.

Effects on miners and consumers, and traders

After all Bitcoins are mined, we have to note the effect that this will have on miners and consumers/traders.

Miners are awarded block rewards and transaction fees for their part in the network for solving complex mathematical problems.

When the hard cap of the supply of BTC is reached, miners will not be receiving BTC for producing new blocks, and they will only be getting the transaction fees for taking part in the network.

These fees will be able to make up for the missing block rewards.

The effect on consumers and traders will be significant, as we already said above. Bitcoin will become more and more scarce, and this will lead to a buying frenzy.

The FOMO (fear of missing out) sets in more and more, and the asset’s price will increase exponentially over time.

Business Insider also dropped an article in which they explain how Bitcoin’s limited supply is driving up its value.

It’s important to mention that Bitcoin gets mentioned more and more in mainstream media because this only mirrors a reason to celebrate – the mass adoption of crypto is underway.

It’s also interesting to highlight that after all the Bitcoins will have been mined, we still won’t have 21 million in circulation.

Why? Well, because about one-fifth of BTC has already been lost. They are in wallets that can no longer be accessed due to destroyed physical hardware or lost passwords.

Other theories about Bitcoin’s fixed supply

Another important publication called Decrypt analyzes some other reasons for which Bitcoin has a limited supply. One of them is the money supply replacement theory.

By limiting the maximum BTC supply, Satoshi intended for each BTC unit to appreciate in value over time.

The publication brings up an interesting email shared between the Bitcoin creator and the Bitcoin Core contributor Mike Hearn.

Here, Satoshi said that if 21 million coins were to be used by some fraction of the world economy, 0.001 BTC could be worth about 1 Euro. This came true back in 2013.

Even if the genius compared the price of BTC with the one of Euro, we could understand that what Satoshi meant was much greater.

If Bitcoin were to grow to become the single world currency, each BTC would be worth about $ 1 million. Pretty mind-blowing.

Decrypt also addresses an alternative explanation.

If we’re analyzing the parameters used to control Bitcoin’s supply, it becomes pretty clear that the fact that there’s a fixed supply of 21 million allows the network to ensure that blocks are mined in a regular timeframe which is ten minutes.

This fact also ensures that the amount of Bitcoin that is paid out to miners as block rewards will drop over time. This will happen as the maximum supply approaches its limit.

It seems that the parameters that Satoshi set for this “inevitably lead to the production of a maximum of 21 million BTC.”

Their article concludes with a question: “is Bitcoin’s supply cap a philosophical gesture, or the product of remorseless mathematical logic?” The answer lies in Satoshi’s mind only.

Closing words

Multiple explanations are gravitating around Bitcoin’s fixed supply of 21 million. But you have to admit that the advantages that come with this fixed supply which is set in stone, are also thrilling.

Bitcoin, with its fixed supply and features that bring it close to a kind of digital gold, make the digital asset one of the most interesting things to watch in 2022.

Why Can There Only Be 21 Million Bitcoins? (2024)

FAQs

Why Can There Only Be 21 Million Bitcoins? ›

This hard limit on the total supply of Bitcoin is a key feature of Bitcoin's monetary policy, designed to create scarcity and prevent inflation. Satoshi Nakamoto encoded this limit into Bitcoin's source code, which is enforced by network nodes.

Can Bitcoin ever go over 21 million? ›

The built-in halving mechanism in Bitcoin's code ensures that the minting of new Bitcoins will stop once this cap is reached. By 2140, miners will no longer earn block rewards, relying solely on transaction fees as compensation. This design guarantees that there will never exceed 21 million Bitcoins in circulation.

Why do you think there will only ever be 21 million bitcoins? ›

The reason for the limited number of bitcoins (21 million) is to create scarcity and maintain the value of the cryptocurrency. Once all bitcoins are mined, miners will no longer receive block rewards, and transaction fees will be the primary incentive for mining.

What happens when all 21 million Bitcoin are mined? ›

Once all 21 million bitcoin are mined by the year 2140, no new bitcoin will be created. This means miners will no longer receive block rewards for adding new blocks to the blockchain. Instead, their compensation will come solely from transaction fees paid by users.

Is it possible to mine more than 21 million bitcoins? ›

The maximum amount of Bitcoins that can be issued is limited to 21 million. This number is also called 'max supply'. This limit was introduced by Satoshi Nakamoto since the creation of the cryptocurrency to curb inflation and make crypto scarce and therefore more valuable.

Why is there a finite amount of Bitcoin? ›

Bitcoin was designed with a fixed supply cap of 21 million coins. This scarcity is intentional, echoing the scarcity of precious metals like gold and designed to prevent inflation by ensuring that the supply cannot be increased at will​​​​.

Why did Satoshi choose 21 million? ›

Many believe that Bitcoin's 21 million limit was arbitrarily set when Nakamoto made two key decisions, that: Bitcoin should add new blocks its blockchain every 10 minutes (on average); and the reward paid to miners (starting with 50 BTC) halves every four years.

Will we ever run out of Bitcoin? ›

Bitcoin Supply

The supply of bitcoins is replenished at a set rate of one block every ten minutes. The system design reduces the number of new bitcoins in each block by half every four years. There are only about 1.5 million bitcoins left. Experts predict that the last bitcoins will be mined by 2140.

Who owns the most Bitcoin? ›

So, who are the top holders of BTC? According to the Bitcoin research and analysis firm River Intelligence, Satoshi Nakamoto, the anonymous creator behind Bitcoin, is listed as the top BTC holder as of 2024. The company notes that Satoshi Nakamoto holds about 1.1m BTC tokens in about 22,000 different addresses.

How many people became rich off Bitcoin? ›

The total market cap of all cryptocurrencies is $1.18 trillion. Out of all 425 million crypto users, just 22 are crypto billionaires. There are 182 crypto centimillionaires. And there are 88,200 crypto millionaires.

How will miners be paid when all bitcoins are mined? ›

The End of Bitcoin Mining Rewards

However, once the maximum supply of 21 million bitcoins is reached, these block rewards will cease​​. Miners will then solely rely on transaction fees as their compensation for validating transactions and securing the network​​.

How high can Bitcoin realistically go? ›

Bitcoin Price Prediction 2028

Towards the end of the year, there is a growing likelihood of a significant price surge, indicating a promising upward trajectory. This optimistic trend could lead Bitcoin to stabilize between $98,000 and $102,000, potentially surpassing the $100,000 milestone by year's end.

Will Bitcoin lose value when all is mined? ›

By 2140, 21 million Bitcoins will be mined, enhancing the network's scarcity and value. Miners' Bitcoin rewards decrease after every 210,000 blocks mined in an event called the Bitcoin halving and by 2140, miners will rely solely on transaction fees.

What happens to Bitcoin if miners stop? ›

Without miners, the network's security would be compromised, making it vulnerable to attacks such as double-spending. 3. Network Disruption: The absence of miners would disrupt the functioning of the entire Bitcoin network, potentially leading to a loss of confidence among users and investors.

How many bitcoins are left? ›

How Many Bitcoins Are Left to Be Mined? There are approximately 1.5 million bitcoins left to be mined (at the time of writing) out of the total capped supply of 21 million. The last bitcoin is expected to be mined around the year 2140.

Who controls Bitcoin? ›

Bitcoin is not controlled by any single group or person. Instead, it is governed by multiple stakeholders — including developers, miners, and users. Developers write the code that makes Bitcoin run; miners validate transactions; and users put the software to work by trading, transacting, holding, and more.

Are there 21 million bitcoins? ›

The maximum supply of 21 million bitcoins will be reached around the year 2140, after which no new bitcoins can be mined. The 21 million Bitcoin limit also has important implications for the process of Bitcoin mining.

What is the maximum number of Bitcoin that will ever exist? ›

Since Satoshi Nakamoto first created Bitcoin, it has always had a clearly defined maximum supply of 21 million coins. The rules of the Bitcoin protocol state that when the number of bitcoin in circulation reaches the maximum supply limit of 21 million, no new units of bitcoin will be issued.

Can Bitcoin ever reach $10 million? ›

Analysts recently detailed a $10 million bitcoin price prediction from Tom Lee of Fundstrat Global Advisors. A resurfaced projection by Tom Lee, managing partner and head of research for Fundstrat Global Advisors, indicates that the bitcoin price can reach as high as $10 million within decades.

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