買う ビットコイン(BTC)

買う を ビットコイン 簡単に — ステップごとのガイド付き。
推定価格
1 BTC0.00 USD
Bitcoin
BTC
ビットコイン
$71,017.5
+0.36%
QRコードをスキャンしてGateアプリをダウンロード

USDでビットコイン(BTC)を購入する方法?

数量を入力
BTC/USDの取引ペアを選択し、購入数量を入力します。
注文確認
取引の詳細(BTC/USDの価格、手数料、その他の注意事項)を確認します。確認が完了したら、注文を送信します。
ビットコイン(BTC) を受け取る
支払いが完了すると、購入した BTC は自動的に Gate.com のウォレットに入金されます。

クレジットカードまたはデビットカードで ビットコイン(BTC)を購入する方法は?

  • 1
    Gate.com アカウントを作成し、本人確認を完了しましょう安全に BTC を購入するには、まず Gate.com アカウントにサインアップし、KYC 本人確認を完了して取引を保護しましょう。
  • 2
    BTC と支払い方法を選択してください「ビットコイン(BTC)を購入」セクションに移動し、BTCを選択、購入希望数量を入力し、支払い方法としてデビットカードを選択してください。その後、カード情報を入力してください。
  • 3
    購入が完了すると、BTC がすぐにウォレットに反映されます注文を確定すると、ご購入の BTC は即座に安全に Gate.com のウォレットに反映され、取引、保有、または送金にすぐに利用可能になります。

なぜビットコイン(BTC)を購入するのか?

ビットコインとは何ですか?分散型デジタルゴールドの誕生
ビットコイン(BTC)は、2008年にサトシ・ナカモトによって提案され、2009年に世界初の分散型暗号通貨として正式にローンチされました。銀行や政府などの仲介者を介さず、ピアツーピアの電子決済を可能にします。すべての取引はパブリックブロックチェーンに記録され、透明性とセキュリティが確保されます。
ビットコインはどのように機能しますか?PoWコンセンサスとブロックチェーン技術
ビットコインは、プルーフ・オブ・ワーク(PoW)コンセンサスメカニズムで動作します。アリスがボブに1 BTCを送金したいとき、マイナーは複雑な数学的問題を解くために競争します。最初に問題を解いたマイナーは、新しいビットコインをブロック報酬として獲得し、取引をブロックチェーンに記録します。このシステムはネットワークを安全にしますが、高いエネルギー消費と採掘難易度の上昇を招きます。
ビットコインの供給量と半減期メカニズム
ビットコインの供給量は2,100万枚に厳密に制限されており、絶対的な希少性を持ちます。約4年ごとに「半減期」イベントが発生し、マイナーへのブロック報酬が半分になり、新しいビットコインの生成が遅くなります。これによりビットコインのインフレ抑制特性が強化され、長期的な価格上昇の主要な要因となります。2024年末時点で、1,970万以上のビットコインが採掘されています。
価格の推移と市場への影響
ビットコインはほとんど価値がない状態で始まり、2021年には$20,000 in 2017 and hitting new highs above $60,000に達しました。極端な価格変動を経験しており、有名な「ビットコインピザデー」のように、初めて商業利用された記念日もあります。過去にはバブルや詐欺と呼ばれたこともありますが、一般層や機関投資家の採用拡大により、時価総額は1兆ドルを超えました。
ビットコイン投資の理由とリスク
インフレヘッジ&価値の保存手段:供給量の固定と半減期イベントにより、ビットコインはデジタルゴールドであり、潜在的な安全資産となります。 高い流動性:BTCは主要取引所で取引されており、ポートフォリオへの組み入れが容易です。 分散化と自律性:特定の主体による管理を受けず、ユーザーは資産を完全にコントロールできます。 技術的・規制上のリスク:高いボラティリティ、規制の不透明さ、マイニングによる環境問題、決済手段としての利用制限。
懐疑的な見解と代替的視点
革命的な技術であるにもかかわらず、ビットコインの決済手段としての効率は低く、規制リスクも依然として大きいです。一部の専門家は、ビットコインを安定した価値の保存手段というより、投機的資産と見なしています。投資家は、自身のリスク許容度を慎重に評価する必要があります。

ビットコイン(BTC) 本日の価格と市場動向

BTC/USD
Bitcoin
$71,017.5
+0.36%
市場
人気度
時価総額
#1
$1.42T
取引高
流通供給量
$670.18M
20M

現時点で、ビットコイン(BTC)の価格は1コインあたり$71,017.5です。流通供給量はおよそ20,003,043BTCで、時価総額は$20Mとなります。現在の時価総額ランキング:1。

過去24時間で、ビットコインの取引量は$670.18Mに達し、前日比で+0.36%の変動となりました。過去1週間で、ビットコインの価格は-3.73%となり、デジタルゴールドおよびインフレヘッジとしてのBTCへの継続的な需要を反映しています。

さらに、ビットコインの過去最高値は$126,080です。市場の変動性は依然として大きいため、投資家はマクロ経済の動向や規制の進展を注意深く監視する必要があります。

ビットコイン(BTC) 他の暗号資産と比較

BTC VS
BTC
価格
24時間の変化率
7日の変化率
24時間取引量
時価総額
市場ランク
流通供給量

ビットコイン(BTC) を購入した後は何をすべきですか?

現物取引
Gate.com の豊富な取引ペアを活用して、BTC をいつでも取引し、市場のチャンスを捉え、資産を増やしましょう。
Simple Earn
遊休の BTC を活用して、プラットフォームのフレキシブル型または定期型の金融商品に投資し、手軽に追加収益を得ましょう。
変換
BTC を他の暗号資産に素早く、簡単に交換できます。

Gate を通じて ビットコイン を購入するメリット

3,500以上の暗号資産から選択可能
2013年以降、一貫してトップ10の中央集権型取引所(CEX)のひとつ
2020年5月以降、100%の準備金証明
即時入出金で効率的な取引

Gateで利用可能なその他の暗号資産

ビットコインBTCについてもっと知る

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ビットコインはなぜ上昇しているのか?BTC価格急騰の背後にある主な要因
ビットコインはなぜ上昇しているのか?BTC価格急騰の背後にある主な要因
デイリーニュース | ETH/BTC 為替レートは底打ちした可能性があります、同じ名前のLIBRAトークンが誤って購入された後、3,000%上昇しました
ETH/BTCの為替レートがトレンドの反転を引き起こす可能性があります。Barstool Sportsの創設者が誤ってLIBRA Memeコインを17万ドル購入し、それによって3000%急騰しました。
投資するのに最適な暗号通貨は、ビットコイン (BTC) とバイナンスコイン (BNB) のどちらでしょうか?
投資するのに最適な暗号通貨は、ビットコイン (BTC) とバイナンスコイン (BNB) のどちらでしょうか?
さらに BTC ブログ
XZXX: A Comprehensive Guide to the BRC-20 Meme Token in 2025
XZXX emerges as the leading BRC-20 meme token of 2025, leveraging Bitcoin Ordinals for unique functionalities that integrate meme culture with tech innovation. The article explores the token's explosive growth, driven by a thriving community and strategic market support from exchanges like Gate, while offering beginners a guided approach to purchasing and securing XZXX. Readers will gain insights into the token's success factors, technical advancements, and investment strategies within the expanding XZXX ecosystem, highlighting its potential to reshape the BRC-20 landscape and digital asset investment.
Bitcoin Fear and Greed Index: Market Sentiment Analysis for 2025
As the Bitcoin Fear and Greed Index plummets below 10 in April 2025, cryptocurrency market sentiment reaches unprecedented lows. This extreme fear, coupled with Bitcoin's 80,000−85,000 price range, highlights the complex interplay between crypto investor psychology and market dynamics. Our Web3 market analysis explores the implications for Bitcoin price predictions and blockchain investment strategies in this volatile landscape.
5 ways to get Bitcoin for free in 2025: Newbie Guide
In 2025, getting Bitcoin for free has become a hot topic. From microtasks to gamified mining, to Bitcoin reward credit cards, there are numerous ways to obtain free Bitcoin. This article will reveal how to easily earn Bitcoin in 2025, explore the best Bitcoin faucets, and share Bitcoin mining techniques that require no investment. Whether you are a newbie or an experienced user, you can find a suitable way to get rich with cryptocurrency here.
さらに BTC ウィキ

ビットコイン(BTC)に関する最新情報

2026-03-24 13:02CoinDesk
华尔街经纪商伯恩斯坦看涨比特币底部,维持年底15万美元的目标
2026-03-24 13:00GateNews
伯恩斯坦:比特币或已触及阶段性底部,维持 2026 年底 15 万美元目标价
2026-03-24 12:47金色财经_
伯恩斯坦:比特币很可能已触底,维持年内看涨至15万美元目标价
2026-03-24 12:41CoinDesk
ParaFi凭借19,283,746,565,748,392,010美元的融资逆势创建新基金:彭博社
2026-03-24 12:41Coinfomania
CSPR价格飙升18.54%:社交媒体热议推动上涨
その他の BTC ニュース
estimated btc will get stuck in $69k-$70k
#BTCBreaks$71000  #BTCBreaks$71000  #CryptoMarketClimbs
mitalestari
2026-03-24 13:13
estimated btc will get stuck in $69k-$70k #BTCBreaks$71000 #BTCBreaks$71000 #CryptoMarketClimbs
BTC
+0.24%
URGENT ALERT: That insider with a 100% win rate just opened a total of $200 million in $BTC  and $ETH  long positions, right before Trump released an official announcement! Just like last time, this guy precisely went "all-in" before the market skyrocketed. The entire market's attention is now focused on this insider!! 
Address: 0xa5b0edf6b55128e0ddae8e51ac538c3188401d41
GateUser-10da15fb
2026-03-24 13:12
URGENT ALERT: That insider with a 100% win rate just opened a total of $200 million in $BTC and $ETH long positions, right before Trump released an official announcement! Just like last time, this guy precisely went "all-in" before the market skyrocketed. The entire market's attention is now focused on this insider!! Address: 0xa5b0edf6b55128e0ddae8e51ac538c3188401d41
BTC
+0.24%
ETH
+0.85%
#PredictToWin1000GT 
MARKET ALERT: US–IRAN WAR — Where Are Gold & Bitcoin Headed?
Trader’s Prediction & Strategy Guide | March 2026
The Situation on the Ground
What began as geopolitical tension has now escalated into a full-scale conflict with deep macro consequences. Since February 28, 2026, when US–Israel coordinated airstrikes on Iran, the situation has intensified rapidly. By mid-March, strikes reached Tehran, with reports suggesting the elimination of top Iranian leadership, including Ayatollah Khamenei and key IRGC generals. Iran responded aggressively with attacks on Israeli civilian infrastructure, airports, and the US Embassy in Baghdad, while the United States escalated further by targeting Kharg Island, Iran’s critical oil hub.
At the same time, the Strait of Hormuz has been partially disrupted, injecting severe uncertainty into global energy markets and triggering inflation fears worldwide. With continued military buildup and strong rhetoric from both sides, this is no longer a short-term event but a structural macro shock that financial markets must continuously reprice.
Gold — The Safe Haven That Broke the Playbook
Gold’s reaction to this war has been deeply counterintuitive. After reaching a record high near $5,595 in January 2026, gold initially behaved as expected, spiking to $5,423 when the war began. However, instead of sustaining gains, it experienced one of the sharpest declines in decades. Between March 17 and March 21, gold recorded its worst weekly drop in 43 years, eventually crashing to an intraday low of $4,126 on March 23, before recovering slightly to $4,388 after a temporary delay in US escalation.
Overall, gold is now down nearly 26% from its January peak, despite an active war environment. This decline is driven by a combination of macro forces. The conflict has pushed oil prices higher, which in turn has fueled inflation expectations. Instead of triggering monetary easing, markets are now pricing in the possibility of Federal Reserve rate hikes as late as October 2026. Higher interest rates strengthen the US dollar and reduce the appeal of gold, which does not yield income.
At the same time, gold had already experienced a massive rally prior to the conflict, rising roughly $4,000 from its 2022 lows. This created conditions for profit-taking and forced liquidations during the shock. Institutional flows confirm this trend, with $7.9 billion in ETF outflows since the war began, alongside a strengthening US dollar that further pressures demand.
China’s Role in Gold — The Silent Accumulator
While Western investors have been reducing exposure, China has been quietly increasing its influence in the gold market. The People’s Bank of China has continued to expand its gold reserves as part of a broader de-dollarization strategy. This steady accumulation provides a structural floor for gold prices, even during periods of volatility.
China’s approach is strategic rather than reactive. By increasing gold holdings, it is reducing reliance on the US dollar while strengthening its position in global trade settlements. In times of geopolitical instability, this behavior supports long-term bullish fundamentals for gold, even if short-term price action remains weak.
Gold Outlook
In the short term, gold is expected to remain volatile within the $4,200–$4,800 range, reacting sharply to every escalation or de-escalation headline. Over the medium term, the outlook remains structurally bullish, with targets between $5,000 and $5,500, supported by central bank demand and inflation dynamics. Long term, if energy disruption continues and inflation persists, gold could regain momentum toward higher levels, especially if monetary policy falls behind inflation pressures.
Bitcoin — The Digital Neutral Asset
Bitcoin, currently trading at $70,963 with a 24-hour change of +0.42%, is showing remarkable resilience compared to gold and equities. At the onset of the conflict, BTC dropped to around $63,000, reflecting initial risk-off sentiment. However, it quickly recovered toward the $74,000 range and has since stabilized between $69,000 and $71,000, even as gold experienced significant declines.
This behavior suggests that Bitcoin is increasingly acting as a neutral, non-sovereign asset rather than a purely risk-driven instrument. Several factors support this shift. Institutional buying continues, with Strategy (MicroStrategy) purchasing 3,015 BTC at an average of $67,700, reinforcing a strong demand base. Additionally, the rise of spot ETFs has transformed BTC ownership into a more stable, long-term structure.
Another important factor is Bitcoin’s role in a sanctions-driven world. As geopolitical tensions rise and traditional financial systems face restrictions, BTC is increasingly seen as an alternative settlement layer. This creates real demand beyond speculation.
China’s Role in Bitcoin — Strategic Positioning
China’s relationship with Bitcoin is more complex but equally significant. While direct retail trading restrictions remain in place, China is actively advancing its blockchain infrastructure and digital currency strategy through the digital yuan. At the same time, Chinese capital often finds indirect exposure to Bitcoin through offshore channels and mining infrastructure influence.
China’s broader strategy appears to focus on controlling the infrastructure layer of digital finance while allowing Bitcoin to exist as a parallel asset. This indirect participation contributes to global liquidity and reinforces BTC’s role as a non-sovereign store of value in times of geopolitical fragmentation.
Bitcoin Outlook
In the short term, BTC is expected to trade within the $68,000–$75,000 range, with dips toward $65,000–$67,000 acting as potential accumulation zones during escalations. Positive developments such as ceasefire discussions could push price attempts toward $78,000–$80,000.
Over the medium term, if macro conditions force a shift toward monetary easing, Bitcoin could reprice significantly higher, with targets in the $85,000–$95,000 range. However, downside risks remain. A sustained break below $67,000 could trigger a deeper correction toward $60,000, particularly if global risk markets weaken further.
The Macro Driver — Strait of Hormuz
The single most important variable remains the Strait of Hormuz. If disruptions continue, oil prices could surge toward $120–$150 per barrel, intensifying inflation and strengthening the dollar. In this scenario, both gold and BTC may struggle in the short term before benefiting from a later policy shift.
If the strait reopens and tensions ease, oil could fall back toward the $70–$80 range, reducing inflation pressure and allowing both gold and Bitcoin to rally strongly. This creates a classic market dynamic where accumulation during uncertainty often precedes sharp moves upon resolution.
Final Conclusion
Markets are currently in a phase of extreme uncertainty, driven by geopolitical risk, inflation pressure, and shifting monetary expectations. In the short term, both gold and Bitcoin are likely to remain volatile and reactive to headlines. 
However, over a 3–6 month horizon, the structural outlook remains bullish for both assets, particularly if inflation persists and central banks are forced to adjust policy.
The key opportunity lies in patience and disciplined risk management. War-driven volatility creates sharp movements, but also opens the door for strategic accumulation at discounted levels.
Final Call: Volatile in the short term, uncertain in direction, but structurally bullish over the medium term — especially if inflation becomes the dominant narrative.
Data as of March 24, 2026. BTC: $70,963 | Gold spot: $4,388.
HighAmbition
2026-03-24 13:12
#PredictToWin1000GT MARKET ALERT: US–IRAN WAR — Where Are Gold & Bitcoin Headed? Trader’s Prediction & Strategy Guide | March 2026 The Situation on the Ground What began as geopolitical tension has now escalated into a full-scale conflict with deep macro consequences. Since February 28, 2026, when US–Israel coordinated airstrikes on Iran, the situation has intensified rapidly. By mid-March, strikes reached Tehran, with reports suggesting the elimination of top Iranian leadership, including Ayatollah Khamenei and key IRGC generals. Iran responded aggressively with attacks on Israeli civilian infrastructure, airports, and the US Embassy in Baghdad, while the United States escalated further by targeting Kharg Island, Iran’s critical oil hub. At the same time, the Strait of Hormuz has been partially disrupted, injecting severe uncertainty into global energy markets and triggering inflation fears worldwide. With continued military buildup and strong rhetoric from both sides, this is no longer a short-term event but a structural macro shock that financial markets must continuously reprice. Gold — The Safe Haven That Broke the Playbook Gold’s reaction to this war has been deeply counterintuitive. After reaching a record high near $5,595 in January 2026, gold initially behaved as expected, spiking to $5,423 when the war began. However, instead of sustaining gains, it experienced one of the sharpest declines in decades. Between March 17 and March 21, gold recorded its worst weekly drop in 43 years, eventually crashing to an intraday low of $4,126 on March 23, before recovering slightly to $4,388 after a temporary delay in US escalation. Overall, gold is now down nearly 26% from its January peak, despite an active war environment. This decline is driven by a combination of macro forces. The conflict has pushed oil prices higher, which in turn has fueled inflation expectations. Instead of triggering monetary easing, markets are now pricing in the possibility of Federal Reserve rate hikes as late as October 2026. Higher interest rates strengthen the US dollar and reduce the appeal of gold, which does not yield income. At the same time, gold had already experienced a massive rally prior to the conflict, rising roughly $4,000 from its 2022 lows. This created conditions for profit-taking and forced liquidations during the shock. Institutional flows confirm this trend, with $7.9 billion in ETF outflows since the war began, alongside a strengthening US dollar that further pressures demand. China’s Role in Gold — The Silent Accumulator While Western investors have been reducing exposure, China has been quietly increasing its influence in the gold market. The People’s Bank of China has continued to expand its gold reserves as part of a broader de-dollarization strategy. This steady accumulation provides a structural floor for gold prices, even during periods of volatility. China’s approach is strategic rather than reactive. By increasing gold holdings, it is reducing reliance on the US dollar while strengthening its position in global trade settlements. In times of geopolitical instability, this behavior supports long-term bullish fundamentals for gold, even if short-term price action remains weak. Gold Outlook In the short term, gold is expected to remain volatile within the $4,200–$4,800 range, reacting sharply to every escalation or de-escalation headline. Over the medium term, the outlook remains structurally bullish, with targets between $5,000 and $5,500, supported by central bank demand and inflation dynamics. Long term, if energy disruption continues and inflation persists, gold could regain momentum toward higher levels, especially if monetary policy falls behind inflation pressures. Bitcoin — The Digital Neutral Asset Bitcoin, currently trading at $70,963 with a 24-hour change of +0.42%, is showing remarkable resilience compared to gold and equities. At the onset of the conflict, BTC dropped to around $63,000, reflecting initial risk-off sentiment. However, it quickly recovered toward the $74,000 range and has since stabilized between $69,000 and $71,000, even as gold experienced significant declines. This behavior suggests that Bitcoin is increasingly acting as a neutral, non-sovereign asset rather than a purely risk-driven instrument. Several factors support this shift. Institutional buying continues, with Strategy (MicroStrategy) purchasing 3,015 BTC at an average of $67,700, reinforcing a strong demand base. Additionally, the rise of spot ETFs has transformed BTC ownership into a more stable, long-term structure. Another important factor is Bitcoin’s role in a sanctions-driven world. As geopolitical tensions rise and traditional financial systems face restrictions, BTC is increasingly seen as an alternative settlement layer. This creates real demand beyond speculation. China’s Role in Bitcoin — Strategic Positioning China’s relationship with Bitcoin is more complex but equally significant. While direct retail trading restrictions remain in place, China is actively advancing its blockchain infrastructure and digital currency strategy through the digital yuan. At the same time, Chinese capital often finds indirect exposure to Bitcoin through offshore channels and mining infrastructure influence. China’s broader strategy appears to focus on controlling the infrastructure layer of digital finance while allowing Bitcoin to exist as a parallel asset. This indirect participation contributes to global liquidity and reinforces BTC’s role as a non-sovereign store of value in times of geopolitical fragmentation. Bitcoin Outlook In the short term, BTC is expected to trade within the $68,000–$75,000 range, with dips toward $65,000–$67,000 acting as potential accumulation zones during escalations. Positive developments such as ceasefire discussions could push price attempts toward $78,000–$80,000. Over the medium term, if macro conditions force a shift toward monetary easing, Bitcoin could reprice significantly higher, with targets in the $85,000–$95,000 range. However, downside risks remain. A sustained break below $67,000 could trigger a deeper correction toward $60,000, particularly if global risk markets weaken further. The Macro Driver — Strait of Hormuz The single most important variable remains the Strait of Hormuz. If disruptions continue, oil prices could surge toward $120–$150 per barrel, intensifying inflation and strengthening the dollar. In this scenario, both gold and BTC may struggle in the short term before benefiting from a later policy shift. If the strait reopens and tensions ease, oil could fall back toward the $70–$80 range, reducing inflation pressure and allowing both gold and Bitcoin to rally strongly. This creates a classic market dynamic where accumulation during uncertainty often precedes sharp moves upon resolution. Final Conclusion Markets are currently in a phase of extreme uncertainty, driven by geopolitical risk, inflation pressure, and shifting monetary expectations. In the short term, both gold and Bitcoin are likely to remain volatile and reactive to headlines. However, over a 3–6 month horizon, the structural outlook remains bullish for both assets, particularly if inflation persists and central banks are forced to adjust policy. The key opportunity lies in patience and disciplined risk management. War-driven volatility creates sharp movements, but also opens the door for strategic accumulation at discounted levels. Final Call: Volatile in the short term, uncertain in direction, but structurally bullish over the medium term — especially if inflation becomes the dominant narrative. Data as of March 24, 2026. BTC: $70,963 | Gold spot: $4,388.
BTC
+0.24%
その他の BTC 投稿

ビットコイン(BTC)の購入に関するよくある質問(FAQ)

よくある質問の回答はAIによって生成されたものであり、参考情報としてのみ提供されています。本コンテンツの内容は慎重にご確認ください。
ビットコイン(BTC)を購入する最も安全な場所はどこですか?
x
Gate.comでビットコイン(BTC)を安全に購入するには?
x
初心者がビットコイン(BTC)を購入する方法は?
x
100ドルでビットコイン(BTC)を購入できますか?
x
ビットコイン(BTC)は100%安全ですか?
x