Acheter Bitcoin(BTC)

Acheter Bitcoin facilement grâce à notre guide étape par étape.
Prix estimé
1 BTC0,00 USD
Bitcoin
BTC
Bitcoin
$65 877
-0,3%
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Comment acheter Bitcoin(BTC) avec USD ?

Entrez le montant
Sélectionnez la paire de trading BTC/USD et saisissez le montant d’achat.
Confirmer l'ordre
Vérifiez les détails de la transaction, y compris le prix BTC/USD, les frais et autres informations. Une fois confirmé, soumettez l’ordre.
Recevoir Bitcoin(BTC)
Après un paiement réussi, le BTC acheté sera automatiquement crédité sur votre portefeuille Gate.com.

Comment acheter Bitcoin(BTC) avec une carte de crédit ou une carte de débit ?

  • 1
    Créez votre compte Gate.com et vérifiez votre identitéPour acheter BTC en toute sécurité, commencez par créer un compte Gate.com et terminez la vérification d’identité KYC afin de protéger vos transactions.
  • 2
    Choisissez BTC et le mode de paiementAllez dans la section « Acheter Bitcoin(BTC) », sélectionnez BTC, saisissez le montant que vous souhaitez acheter, puis choisissez la carte de débit comme option de paiement. Ensuite, renseignez les informations de votre carte.
  • 3
    Recevez BTC instantanément dans votre portefeuilleUne fois que vous avez confirmé l’ordre, le BTC acheté sera immédiatement et en toute sécurité crédité sur votre portefeuille Gate.com — prêt à être tradé, conservé ou transféré.

Pourquoi acheter Bitcoin(BTC) ?

Qu'est-ce que le Bitcoin ? La naissance de l'or numérique décentralisé
Le Bitcoin (BTC) a été introduit en 2008 par Satoshi Nakamoto et officiellement lancé en 2009 comme la première cryptomonnaie décentralisée au monde. Il permet des paiements électroniques de pair à pair, sans l’intervention d’intermédiaires comme les banques ou les gouvernements. Toutes les transactions sont enregistrées sur une blockchain publique, garantissant transparence et sécurité.
Comment fonctionne le Bitcoin ? Consensus PoW et technologie blockchain
Le Bitcoin fonctionne selon un mécanisme de consensus appelé preuve de travail (Proof of Work – PoW). Lorsqu’Alice souhaite envoyer 1 BTC à Bob, les mineurs entrent en compétition pour résoudre des problèmes mathématiques complexes. Le premier à y parvenir reçoit une récompense en bitcoins (block reward) et enregistre la transaction sur la blockchain. Ce système sécurise le réseau, mais entraîne une consommation d’énergie élevée et une difficulté de minage croissante.
L’offre de Bitcoin et le mécanisme de halving
L’offre de Bitcoin est strictement limitée à 21 millions d’unités, ce qui en fait un actif à la rareté absolue. Tous les quatre ans, un événement appelé “halving” réduit de moitié la récompense versée aux mineurs, ralentissant ainsi l’émission de nouveaux bitcoins. Ce mécanisme renforce les propriétés anti-inflationnistes de Bitcoin et constitue l’un des principaux moteurs de son appréciation à long terme. Fin 2024, plus de 19,7 millions de bitcoins ont déjà été minés.
Historique des prix et impact sur le marché
Le Bitcoin a commencé avec une valeur quasi nulle, atteignant environ $20,000 in 2017 and hitting new highs above $60 000 en 2021. Il a connu une volatilité extrême — comme en témoigne le célèbre “Bitcoin Pizza Day”, marquant sa première utilisation commerciale. Bien qu’il ait été qualifié de bulle ou d’arnaque dans le passé, l’adoption croissante par le grand public et les institutions a propulsé sa capitalisation au-delà de 1 000 milliards de dollars.
Raisons d’investir dans le Bitcoin et risques associés
Couverture contre l’inflation et réserve de valeur : L’offre fixe et les événements de halving font du Bitcoin un or numérique et un actif refuge potentiel. Forte liquidité : Le BTC est négocié sur toutes les principales plateformes, permettant une allocation facile du portefeuille. Décentralisation et autonomie : Non contrôlé par une entité centrale ; les utilisateurs gardent un contrôle total sur leurs actifs. Risques techniques et réglementaires : Forte volatilité, réglementation incertaine, préoccupations environnementales liées au minage, et utilité limitée pour les paiements.
Points de vue sceptiques et perspectives alternatives
Malgré son caractère révolutionnaire, le Bitcoin reste peu efficace en tant qu’outil de paiement, et les risques réglementaires demeurent importants. Certains experts considèrent le Bitcoin davantage comme un actif spéculatif que comme une réserve de valeur stable. Les investisseurs doivent évaluer attentivement leur tolérance au risque.

Bitcoin(BTC) Prix du jour & tendances du marché

BTC/USD
Bitcoin
$65 877
-0,3%
Marchés
Popularité
Capitalisation boursière
#1
$1,32T
Volume
Offre en circulation
$664,45M
20,04M

À l’heure actuelle, Bitcoin (BTC) est au prix de $65 877 par actif. L’offre en circulation est d’environ 20 043 853 BTC, ce qui correspond à une capitalisation boursière totale de $20,04M. Classement actuel par capitalisation : 1.

Au cours des dernières 24 heures, le volume d’échange de Bitcoin a atteint $664,45M, soit une -0.3% par rapport à la veille. Sur la dernière semaine, le prix de Bitcoin +7.04%, reflétant la demande soutenue pour BTC en tant qu’or numérique et couverture contre l’inflation.

De plus, le record historique de Bitcoin a été de $126 080. La volatilité du marché reste importante, et les investisseurs doivent suivre de près les tendances macroéconomiques ainsi que les évolutions réglementaires.

Bitcoin(BTC) Comparer avec une autre cryptomonnaie

BTC VS
BTC
Prix
Pourcentage de variation sur 24 heures
Pourcentage de variation sur 7 jours
Volume de trading 24h
Capitalisation boursière
Rang du marché
Offre en circulation

Que faire après avoir acheté Bitcoin(BTC) ?

Spot
Tradez BTC à tout moment grâce à la large gamme de paires de trading de Gate.com, saisissez les opportunités du marché et faites croître vos actifs.
Simple Earn
Utilisez vos BTC inactifs pour souscrire aux produits financiers flexibles ou à terme fixe de la plateforme et gagnez facilement un revenu supplémentaire.
Convertir
Échangez rapidement vos BTC contre d’autres cryptomonnaies en toute simplicité.

Avantages de l'achat de Bitcoin par l'intermédiaire de Gate

Avec 3 500 cryptomonnaies parmi lesquelles vous pouvez choisir
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Autres cryptomonnaies disponibles sur Gate

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Ergouzi small-level constructs a high-position triangle pattern again. Currently it has rebounded to around the 1830 upper band resistance area, and there is a relatively high probability that it will be rejected and fall back. Logically, high-position triangle consolidations are often accompanied by the risk of a downward breakdown, so the upper resistance line remains the core point of attention. Currently, Quan Dan near 1845 continues to be held; wait patiently for confirmation of a breakdown signal, and make sure to keep your defenses in place. $BTC $ETH
MorningDawnNoo
17/06/2026 04:29
Ergouzi small-level constructs a high-position triangle pattern again. Currently it has rebounded to around the 1830 upper band resistance area, and there is a relatively high probability that it will be rejected and fall back. Logically, high-position triangle consolidations are often accompanied by the risk of a downward breakdown, so the upper resistance line remains the core point of attention. Currently, Quan Dan near 1845 continues to be held; wait patiently for confirmation of a breakdown signal, and make sure to keep your defenses in place. $BTC $ETH
BTC
-0,25%
ETH
+1,36%
$BTC  How much further can it fall? Can it still drop?
Recently, many people are discussing the market with topics like the US-Iran war, rate cuts, rate hikes, and crypto legislation, but actually, these are unnecessary and cannot determine the market trend. These do not represent the macro environment; they are just news factors. Just like Bitcoin's ETF, whether Bitcoin has an ETF or not, it will still rise and reach over 120,000. Because global M2 liquidity is fixed, the money supply is dead. Combining this with the historical context: from the 2014 bull market to the 2017 bull market, it grew from 100 billion to 800 billion, an increase of 30k USD. From 2017 to 2021, it went from 800 billion to 3 trillion, an increase of 2.2 trillion USD. In this cycle, the peak last October was 4.2 trillion, which is half of the previous cycle's market cap. Right? The crypto market is a growth market; it started from a bull market with 10 billion, then to 100 billion, then 800 billion, and then 3 trillion. The lowest in this cycle was 7.5 trillion. The logic of altcoins won't change either; the top 800 altcoins account for 99% of the total market cap. So, based on history, in the last bull market, altcoins accounted for 60% of the market cap, because Bitcoin's market share reached 38%. In this cycle, I estimate altcoins at 40%. So, if the lowest point follows my projection, and the market cap returns to the previous high of 5.2 trillion, with 40%, then altcoins would have a market cap of 2 trillion USD. This 2 trillion USD is divided among these 800 coins. Actually, this cycle's performance is similar to 2021, because in 2021, a market cap of 3 trillion USD meant Bitcoin held about 60%, which is around 2 trillion USD.
Let me emphasize one more thing. The market cap growth in crypto is different from the US stock market and gold. Crypto is a risk market; it rises quickly and intensely. Gold and US stocks tend to grow slowly, possibly increasing every month. In crypto, the market cap only increases significantly in the last three months of a cycle, with the rest being sideways. For example, in the 2021 bull market, the market cap was sideways around the previous high. In the 2017 bull market, it was sideways around the 2014 market cap. This cycle is also sideways around the 2021 bull market, with the market cap stabilizing, then digesting through a year of bear market—that's the rhythm of crypto. Additionally, the industry needs growth, macro conditions are favorable, the industry needs it to rise, and the bull-bear logic in crypto also requires growth. After five years of decline, there's nowhere lower to go. Only rising can complete the ecosystem cycle! #btc
#SpaceX市值超越微软跻身全球前五
TrumpDogecoinConan
17/06/2026 04:27
$BTC How much further can it fall? Can it still drop? Recently, many people are discussing the market with topics like the US-Iran war, rate cuts, rate hikes, and crypto legislation, but actually, these are unnecessary and cannot determine the market trend. These do not represent the macro environment; they are just news factors. Just like Bitcoin's ETF, whether Bitcoin has an ETF or not, it will still rise and reach over 120,000. Because global M2 liquidity is fixed, the money supply is dead. Combining this with the historical context: from the 2014 bull market to the 2017 bull market, it grew from 100 billion to 800 billion, an increase of 30k USD. From 2017 to 2021, it went from 800 billion to 3 trillion, an increase of 2.2 trillion USD. In this cycle, the peak last October was 4.2 trillion, which is half of the previous cycle's market cap. Right? The crypto market is a growth market; it started from a bull market with 10 billion, then to 100 billion, then 800 billion, and then 3 trillion. The lowest in this cycle was 7.5 trillion. The logic of altcoins won't change either; the top 800 altcoins account for 99% of the total market cap. So, based on history, in the last bull market, altcoins accounted for 60% of the market cap, because Bitcoin's market share reached 38%. In this cycle, I estimate altcoins at 40%. So, if the lowest point follows my projection, and the market cap returns to the previous high of 5.2 trillion, with 40%, then altcoins would have a market cap of 2 trillion USD. This 2 trillion USD is divided among these 800 coins. Actually, this cycle's performance is similar to 2021, because in 2021, a market cap of 3 trillion USD meant Bitcoin held about 60%, which is around 2 trillion USD. Let me emphasize one more thing. The market cap growth in crypto is different from the US stock market and gold. Crypto is a risk market; it rises quickly and intensely. Gold and US stocks tend to grow slowly, possibly increasing every month. In crypto, the market cap only increases significantly in the last three months of a cycle, with the rest being sideways. For example, in the 2021 bull market, the market cap was sideways around the previous high. In the 2017 bull market, it was sideways around the 2014 market cap. This cycle is also sideways around the 2021 bull market, with the market cap stabilizing, then digesting through a year of bear market—that's the rhythm of crypto. Additionally, the industry needs growth, macro conditions are favorable, the industry needs it to rise, and the bull-bear logic in crypto also requires growth. After five years of decline, there's nowhere lower to go. Only rising can complete the ecosystem cycle! #btc #SpaceX市值超越微软跻身全球前五
BTC
-0,25%
Arthur Hayes just sold HYPE, and immediately increased his ETH position—what did he see?
Forget about the FOMC for now, there's a more worth-watching signal on-chain.
Yesterday, Arthur Hayes' linked wallet sold HYPE.
Today, the same wallet received 14,000 ETH from FalconX, worth $2.51M.
In two days, Hayes' ETH holdings went from 3,000 to 4,400.
This isn't coincidence; it's a shift in attitude.
HYPE just hit a new all-time high of $76.70 yesterday, up 164% this year, while Bitcoin fell 42% in the same period.
At this critical moment, Hayes chooses to swap HYPE for ETH.
Do you think he's foolish, or does he see something you can't?
Let's look at another line.
US-listed company Bitmine bought 20k ETH through FalconX in the past 5 hours, spending $35.85 million.
You read that right—same broker, same day, Hayes and Bitmine both scooping up.
Bitmine's total ETH holdings have surpassed 5.62 million, accounting for 4.66% of Ethereum's total supply.
Tom Lee's target is to hold 5%—that leaves a gap of 380k ETH, about $680 million worth of buying power.
What does this mean? There are institutional buy orders of 380k ETH waiting in line.
How long can the ETH catch-up logic with HYPE last?
I have three judgments:
First, capital flows have reversed.
Hayes last year swapped ETH for DeFi tokens like ENA, ETHFI, PENDLE. Now he's swapping back—and more aggressively. Yesterday sold HYPE, today bought ETH.
When someone smarter and richer than you rebalances their portfolio, you should ask yourself what you're still waiting for.
Second, the institutional pricing cycle has just begun.
ETH rose 10% in a single day, but don't get it wrong—this rally isn't driven by retail FOMO, but by verifiable on-chain institutional buy orders.
Bitmine continued accumulating during weakness, Hayes increased positions before the FOMC, and whale geministar.eth withdrew 32k ETH from exchanges in two days.
Three streams of capital, same time, same direction.
This isn't coincidence. It's smart money confirming the "deeply undervalued ETH bottom."
Third, HYPE's valuation is already overextended.
HYPE's market cap is $16.3 billion, FDV nearly $70 billion. ETFs are indeed buying, platform revenues are rising.
But ETH? Market cap is $216 billion, representing Ethereum's global settlement layer valuation—institutional allocations are just beginning.
HYPE has priced in all positive news, ETH hasn't.
How long can the catch-up last?
In the short term, Hayes' 4,400 ETH holdings are just a teaser. The 380k ETH gap from Bitmine is the main course.
In the medium term, as long as Bitmine continues to target 5%, each 20k ETH buy will be an on-chain, predictable institutional signal—this "predictable institutional buying" will keep providing ETH with a bottom support.
In the long term, as ETH/BTC begins to recover, the liquidity premium of altcoins will be redistributed. HYPE has risen 164% from its yearly low, while ETH is still struggling around $1,800—there's much more room for catch-up than you think.
"Hayes selling HYPE isn't because he doesn't believe in HYPE; it's because he thinks ETH is even more undervalued. When the smartest players start buying the big picture again, you'd better not oppose them."
"Smart money sells at all-time highs and scoops at all-time lows—not because they're kind, but because they've done the math."
Hayes has done the math. Bitmine has done the math. Wang Chun has done the math. #我的Gate交易时刻 #TradFiCFD黄金大师赛 #Gate现货交易量逆势增长增幅全球第一 $BTC $ETH $SOL
Mining_sLittleSheep
17/06/2026 04:21
Arthur Hayes just sold HYPE, and immediately increased his ETH position—what did he see? Forget about the FOMC for now, there's a more worth-watching signal on-chain. Yesterday, Arthur Hayes' linked wallet sold HYPE. Today, the same wallet received 14,000 ETH from FalconX, worth $2.51M. In two days, Hayes' ETH holdings went from 3,000 to 4,400. This isn't coincidence; it's a shift in attitude. HYPE just hit a new all-time high of $76.70 yesterday, up 164% this year, while Bitcoin fell 42% in the same period. At this critical moment, Hayes chooses to swap HYPE for ETH. Do you think he's foolish, or does he see something you can't? Let's look at another line. US-listed company Bitmine bought 20k ETH through FalconX in the past 5 hours, spending $35.85 million. You read that right—same broker, same day, Hayes and Bitmine both scooping up. Bitmine's total ETH holdings have surpassed 5.62 million, accounting for 4.66% of Ethereum's total supply. Tom Lee's target is to hold 5%—that leaves a gap of 380k ETH, about $680 million worth of buying power. What does this mean? There are institutional buy orders of 380k ETH waiting in line. How long can the ETH catch-up logic with HYPE last? I have three judgments: First, capital flows have reversed. Hayes last year swapped ETH for DeFi tokens like ENA, ETHFI, PENDLE. Now he's swapping back—and more aggressively. Yesterday sold HYPE, today bought ETH. When someone smarter and richer than you rebalances their portfolio, you should ask yourself what you're still waiting for. Second, the institutional pricing cycle has just begun. ETH rose 10% in a single day, but don't get it wrong—this rally isn't driven by retail FOMO, but by verifiable on-chain institutional buy orders. Bitmine continued accumulating during weakness, Hayes increased positions before the FOMC, and whale geministar.eth withdrew 32k ETH from exchanges in two days. Three streams of capital, same time, same direction. This isn't coincidence. It's smart money confirming the "deeply undervalued ETH bottom." Third, HYPE's valuation is already overextended. HYPE's market cap is $16.3 billion, FDV nearly $70 billion. ETFs are indeed buying, platform revenues are rising. But ETH? Market cap is $216 billion, representing Ethereum's global settlement layer valuation—institutional allocations are just beginning. HYPE has priced in all positive news, ETH hasn't. How long can the catch-up last? In the short term, Hayes' 4,400 ETH holdings are just a teaser. The 380k ETH gap from Bitmine is the main course. In the medium term, as long as Bitmine continues to target 5%, each 20k ETH buy will be an on-chain, predictable institutional signal—this "predictable institutional buying" will keep providing ETH with a bottom support. In the long term, as ETH/BTC begins to recover, the liquidity premium of altcoins will be redistributed. HYPE has risen 164% from its yearly low, while ETH is still struggling around $1,800—there's much more room for catch-up than you think. "Hayes selling HYPE isn't because he doesn't believe in HYPE; it's because he thinks ETH is even more undervalued. When the smartest players start buying the big picture again, you'd better not oppose them." "Smart money sells at all-time highs and scoops at all-time lows—not because they're kind, but because they've done the math." Hayes has done the math. Bitmine has done the math. Wang Chun has done the math. #我的Gate交易时刻 #TradFiCFD黄金大师赛 #Gate现货交易量逆势增长增幅全球第一 $BTC $ETH $SOL
BTC
-0,25%
ETH
+1,36%
SOL
+0,31%
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FAQ sur l’achat de Bitcoin(BTC)

Les réponses de cette FAQ sont générées par une intelligence artificielle et sont fournies à titre indicatif uniquement. Veuillez évaluer soigneusement les informations présentées.
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