sommaire · 7 sections
It’s the most common question: “OK, but why is it worth anything?”
The honest answer: for the same reasons a banknote, an ounce of gold, or a rare Pokémon card is worth something. Because others assign value to it. Let’s see why, in Bitcoin’s case, enough people do.
First: what gives anything value?
Four ingredients show up consistently:
- Utility — it’s useful for something.
- Scarcity — there’s a limited amount.
- Fungibility and divisibility — it can be traded and split.
- Network effect — the more people use it, the more useful it is.
Gold ticks all four (jewelry + industrial + scarce + divisible + globally recognized). The euro ticks almost all, except scarcity (the ECB can print more). A Pokémon card scores high on 2 and 4 (rare + collectors).
Let’s see how Bitcoin stacks up.
1. Absolute scarcity: 21 million, never more
Bitcoin’s code sets a hard cap: there will never be more than 21 million bitcoins. Not 21 million and one. The last one will be mined around 2140.
This scarcity isn’t “promised” by some actor — it’s encoded in software enforced by tens of thousands of nodes. No authority can decide to issue more overnight.
That’s a radical difference from any fiat currency (euro, dollar), whose supply keeps growing.
2. The halving: decreasing issuance
The issuance of new bitcoins (the “block reward” given to miners) is cut in half every 210,000 blocks — roughly every 4 years. That’s the halving.
| Year | Block reward |
|---|---|
| 2009 | 50 BTC |
| 2012 | 25 BTC |
| 2016 | 12.5 BTC |
| 2020 | 6.25 BTC |
| 2024 | 3.125 BTC |
| 2028 (expected) | 1.5625 BTC |
With each halving, the flow of new bitcoins slows down. Today, over 94% of the bitcoins that will ever exist are already in circulation.
Historically, each halving has been followed by a sharp price rally within 12–18 months. Causation or correlation? Opinions differ. The basic logic is simple: less new supply against demand that doesn’t shrink → upward pressure. But markets anticipate, and the better-known the halving becomes, the less mechanical the effect.
3. Digital gold: a powerful narrative
Many investors see Bitcoin as “digital gold”:
- Scarce (and actually more scarce than gold, whose supply grows through mining).
- Non-inflatable.
- Portable (you can cross a border with $100M of bitcoin on a USB drive; try that with $100M of gold).
- Verifiable (anyone can check the total supply).
- But: no industrial use, no jewelry, no thousand-year tradition.
This parallel explains why Bitcoin appeals as a store of value more than as a daily payment method. People don’t pay for coffee in gold either.
4. Network effect: mass makes value
The more a currency is accepted, the more value it has. The more value it has, the more it’s accepted. That’s the network-effect virtuous circle (same engine that made the internet and social networks).
A few milestones:
- Platforms: Bitcoin is available on hundreds of regulated platforms worldwide.
- Spot Bitcoin ETFs: approved in the US in January 2024, allowing traditional investors (pension funds, asset managers) to gain Bitcoin exposure without handling keys. Tens of billions of dollars are now allocated to them.
- State holdings: El Salvador made Bitcoin legal tender in 2021. Other states hold it in their reserves.
- Corporate adoption: MicroStrategy, Tesla (briefly), and others hold it on their balance sheets.
Each milestone broadens the base. It’s the main long-term valuation driver.
The speculative share: let’s be honest
A meaningful chunk of Bitcoin demand isn’t “fundamental” — it’s pure speculation. People buy because the price is rising, and the price rises because people buy. True. Also true of many stocks, real estate in hot zones, and art.
The question isn’t “is there speculation?” (yes) but “does an underlying value remain if speculation stops?” Many think yes — a truly independent monetary system has no equivalent. Some think no. Make your own bet.
Key takeaways
- Bitcoin derives value from programmed scarcity, an issuer that can’t be corrupted (the code), a digital gold narrative, and a growing network effect.
- The halving shapes its issuance rhythm and historically its price cycle.
- A meaningful share of the price is speculative — but that’s true of many assets.
- Its value can drop sharply and durably. It can also keep rising. Nobody knows for sure.
Next → How to buy it — and secure it?
This article is not investment advice.