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
$68,910.7
-2.39%
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
$68,910.7
-2.39%
市場
人気度
時価総額
#1
$1.37T
取引高
流通供給量
$429.93M
20M

現時点で、ビットコイン(BTC)の価格は1コインあたり$68,910.7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$429.93Mに達し、前日比で-2.39%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-3.01%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

In-depth Explanation of Yala: Building a Modular DeFi Yield Aggregator with $YU Stablecoin as a Medium
Beginner
BTC and Projects in The BRC-20 Ecosystem
Beginner
What Is a Cold Wallet?
Beginner
さらに BTC 記事
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

2026-03-22 01:37Coinpedia
随着机构需求增强,JPMorgan的$266K 比特币目标为何合理,专家分析
2026-03-22 01:32GateNews
过去1小时全网爆仓2.48亿美元,BTC爆仓1.09亿美元
2026-03-22 01:31GateNews
美CFTC发布加密资产抵押品试点指导:BTC/ETH资本充足率20%,稳定币2%
2026-03-22 01:29GateNews
Venus 攻击者将 BNB 等资产换仓为 ETH,投入 992 万美元仅回收 500 万美元
2026-03-22 01:02Tap Chi Bitcoin
RIVER一天飙升25%:上升势头还会继续吗?
その他の BTC ニュース
JUST IN: Bitcoin mining difficulty drops 7.76% — the second-biggest cut this year as miners accelerate AI-focused upgrades. Implication: potential relief for miners’ cost curves, could influence hash rate stability and short-term network economics. $BTC
Bykaranteli
2026-03-22 01:49
JUST IN: Bitcoin mining difficulty drops 7.76% — the second-biggest cut this year as miners accelerate AI-focused upgrades. Implication: potential relief for miners’ cost curves, could influence hash rate stability and short-term network economics. $BTC
BTC
-2.29%
3.22 Morning Strategy
Market Review
From early morning to morning session, BTC exhibited a "weak consolidation → accelerated breakdown" pattern. A sudden sharp drop occurred at 8 AM, forming a long lower shadow of nearly 3000 points. Bears actively pushed at critical time points with decisive stance. Currently, price has rebounded to around 69800, but momentum is weak and failed to recover the key resistance zone.
Technical Structure
The morning decline pierced through the lower edge of the previous consolidation platform, confirming an effective breakdown. After MA7 and MA30 death cross, bears maintain arrangement and continuous pressure; MACD fast line runs below the zero axis, and although momentum bars have shortened, there is no bullish divergence structure. Volume shows typical "volume increase on decline, volume decrease on rebound" characteristics, with obvious technical correction features, not a trend reversal signal.
Key Levels
Upper resistance 70500-71000 serves as the bulls-bears dividing line; solid consolidation above with volume can signal a reversal. Lower support 68500-68000 is the first critical test zone after breakdown.
Operation Strategy
Bears remain in control with rebounds facing pressure. Maintain high short positions. Conservative traders should wait for price rebound to 70500-71000 zone showing stalling signals before positioning, and closely monitor the effectiveness of 68500-68000 support below. #Gate13周年全球庆典
Web3Tianlu
2026-03-22 01:48
3.22 Morning Strategy Market Review From early morning to morning session, BTC exhibited a "weak consolidation → accelerated breakdown" pattern. A sudden sharp drop occurred at 8 AM, forming a long lower shadow of nearly 3000 points. Bears actively pushed at critical time points with decisive stance. Currently, price has rebounded to around 69800, but momentum is weak and failed to recover the key resistance zone. Technical Structure The morning decline pierced through the lower edge of the previous consolidation platform, confirming an effective breakdown. After MA7 and MA30 death cross, bears maintain arrangement and continuous pressure; MACD fast line runs below the zero axis, and although momentum bars have shortened, there is no bullish divergence structure. Volume shows typical "volume increase on decline, volume decrease on rebound" characteristics, with obvious technical correction features, not a trend reversal signal. Key Levels Upper resistance 70500-71000 serves as the bulls-bears dividing line; solid consolidation above with volume can signal a reversal. Lower support 68500-68000 is the first critical test zone after breakdown. Operation Strategy Bears remain in control with rebounds facing pressure. Maintain high short positions. Conservative traders should wait for price rebound to 70500-71000 zone showing stalling signals before positioning, and closely monitor the effectiveness of 68500-68000 support below. #Gate13周年全球庆典
BTC
-2.29%
Bitcoin full Analysis $BTC 
BTC is holding around $70,318 with a tight 24h range of $70,212 - $71,102, sitting on a critical support zone while macro conditions deliver a heavy headwind. The directional call is genuinely mixed right now — this is one of the more contested setups in recent weeks.
———
Technical Picture: Signals Are Fighting Each Other
The 15-minute timeframe is in a downtrend (MA7 < MA30 < MA120) with a MACD top divergence forming — a warning that the recent bounce lacks momentum. Price has also slipped below the 20-period moving average on this timeframe, a short-term weakness signal.
That said, the daily SAR remains below price (bullish), and the chart from March 19-21 has formed a double bottom pattern — two tests of the $69,388 level without a break. Double bottoms in isolation are a bullish structure. The 15-min CCI is in oversold territory, which historically produces short-covering bounces.
Key levels to watch:
• Resistance: $71,000 - $73,000 (break above $73K triggers -$834M in short liquidations per Coinglass)
• Support: $69,000 - $69,388 (break below triggers -$940M in long liquidations)
• Daily RSI: 49.3 — neutral, not extended in either direction
Current funding rate is near flat (8h average: +0.0003%), meaning there is no strong positioning bias in perpetuals. That's actually a cleaner environment for the next directional move, whichever way it goes.
———
Macro & News: The Main Wildcard
This is where the real risk lives right now. The Middle East conflict has escalated meaningfully — US troop deployments to the region have already triggered:
• Gold's largest weekly drop since 1983 (down -11%), as its safe-haven narrative is being questioned
• Oil (Brent) surging back above $110, with Dubai crude futures up 16% in a single day
• US equities falling for a 4th consecutive week, Nasdaq down 2%+ in a session
• Market pricing in Fed rate hikes again — a significant reversal of the prior narrative
BTC is outperforming gold here — holding $70K while gold collapses is a notable divergence. The Bitcoin-gold correlation has dropped to -0.88, the lowest since November 2022. Some are interpreting this as BTC proving its macro-independence.
On the bullish side of news:
• CFTC formally approved Bitcoin as futures margin collateral (March 20) — structurally significant
• Strategy (MicroStrategy) accumulated aggressively through March 2-17, now holding 761,068 BTC with +$120M unrealized profit
• US spot Bitcoin ETFs had 7 consecutive days of inflows ending March 18, totaling -$1.17B — though March 20 saw a $52M outflow
• Brazil's Congress advanced a bill to purchase 1 million BTC over 5 years (-$70B)
The bear case: If oil stays elevated and the Fed re-tightens, liquidity drains from risk assets broadly. One analysis (Vortexa/BitcoinNews) puts BTC at $51,000 in an oil-to-$180 scenario. That's tail risk, not a base case, but worth sizing for.
———
Sentiment: Fearful Market, But Structurally Bullish Crowd
• Fear & Greed Index: 12 — Extreme Fear
• Social sentiment: 68% positive vs 17% negative, but overall discussion volume has fallen -70% in 3 days vs the prior period
• A dormant 2,100 BTC wallet (inactive 13 years) was just activated — community is watching closely whether it signals selling intent
The Extreme Fear reading at 12 is historically one of the better entry zones on a medium-term basis. But fear can persist or deepen, especially with a live geopolitical conflict ongoing.
———
Long or Short — How to Think About It
The honest answer: there is no high-conviction directional call right now. Here's why, broken down:
If you lean Long:
• Double bottom on daily with $69,388 holding
• Daily SAR still in bullish alignment
• Structural tailwinds (CFTC approval, ETF inflows, institutional accumulation) are intact
• Extreme Fear historically precedes recoveries
• BTC decoupling from gold is a new dynamic worth watching
If you lean Short:
• 15-min structure is bearish with MACD divergence
• Macro shock risk is real — oil, Fed repricing, equities all deteriorating
• ETF had a $52M outflow day on March 20 after a 7-day streak
• Funding is flat (no squeeze catalyst for shorts to cover)
• A break below $69,000 opens aggressive downside to the $65K-66K range
Practical framing: If forced to choose, the $69,000-$70,000 zone is a watch zone, not a chase zone. A long entry with a hard stop below $69,000 has a defined risk and a credible thesis (double bottom + institutional bid). A short makes more sense only on a confirmed break below $69,000 with volume confirmation.
Whatever direction you choose — keep leverage conservative given the binary macro risk with the Middle East situation. This is not a market where you want to be overexposed to a gap move.
———
The most interesting asymmetric setup is actually watching whether BTC can hold $69K while gold continues to bleed — if that divergence extends, it could be a compelling structural long thesis.
BigBoss07
2026-03-22 01:47
Bitcoin full Analysis $BTC BTC is holding around $70,318 with a tight 24h range of $70,212 - $71,102, sitting on a critical support zone while macro conditions deliver a heavy headwind. The directional call is genuinely mixed right now — this is one of the more contested setups in recent weeks. ——— Technical Picture: Signals Are Fighting Each Other The 15-minute timeframe is in a downtrend (MA7 < MA30 < MA120) with a MACD top divergence forming — a warning that the recent bounce lacks momentum. Price has also slipped below the 20-period moving average on this timeframe, a short-term weakness signal. That said, the daily SAR remains below price (bullish), and the chart from March 19-21 has formed a double bottom pattern — two tests of the $69,388 level without a break. Double bottoms in isolation are a bullish structure. The 15-min CCI is in oversold territory, which historically produces short-covering bounces. Key levels to watch: • Resistance: $71,000 - $73,000 (break above $73K triggers -$834M in short liquidations per Coinglass) • Support: $69,000 - $69,388 (break below triggers -$940M in long liquidations) • Daily RSI: 49.3 — neutral, not extended in either direction Current funding rate is near flat (8h average: +0.0003%), meaning there is no strong positioning bias in perpetuals. That's actually a cleaner environment for the next directional move, whichever way it goes. ——— Macro & News: The Main Wildcard This is where the real risk lives right now. The Middle East conflict has escalated meaningfully — US troop deployments to the region have already triggered: • Gold's largest weekly drop since 1983 (down -11%), as its safe-haven narrative is being questioned • Oil (Brent) surging back above $110, with Dubai crude futures up 16% in a single day • US equities falling for a 4th consecutive week, Nasdaq down 2%+ in a session • Market pricing in Fed rate hikes again — a significant reversal of the prior narrative BTC is outperforming gold here — holding $70K while gold collapses is a notable divergence. The Bitcoin-gold correlation has dropped to -0.88, the lowest since November 2022. Some are interpreting this as BTC proving its macro-independence. On the bullish side of news: • CFTC formally approved Bitcoin as futures margin collateral (March 20) — structurally significant • Strategy (MicroStrategy) accumulated aggressively through March 2-17, now holding 761,068 BTC with +$120M unrealized profit • US spot Bitcoin ETFs had 7 consecutive days of inflows ending March 18, totaling -$1.17B — though March 20 saw a $52M outflow • Brazil's Congress advanced a bill to purchase 1 million BTC over 5 years (-$70B) The bear case: If oil stays elevated and the Fed re-tightens, liquidity drains from risk assets broadly. One analysis (Vortexa/BitcoinNews) puts BTC at $51,000 in an oil-to-$180 scenario. That's tail risk, not a base case, but worth sizing for. ——— Sentiment: Fearful Market, But Structurally Bullish Crowd • Fear & Greed Index: 12 — Extreme Fear • Social sentiment: 68% positive vs 17% negative, but overall discussion volume has fallen -70% in 3 days vs the prior period • A dormant 2,100 BTC wallet (inactive 13 years) was just activated — community is watching closely whether it signals selling intent The Extreme Fear reading at 12 is historically one of the better entry zones on a medium-term basis. But fear can persist or deepen, especially with a live geopolitical conflict ongoing. ——— Long or Short — How to Think About It The honest answer: there is no high-conviction directional call right now. Here's why, broken down: If you lean Long: • Double bottom on daily with $69,388 holding • Daily SAR still in bullish alignment • Structural tailwinds (CFTC approval, ETF inflows, institutional accumulation) are intact • Extreme Fear historically precedes recoveries • BTC decoupling from gold is a new dynamic worth watching If you lean Short: • 15-min structure is bearish with MACD divergence • Macro shock risk is real — oil, Fed repricing, equities all deteriorating • ETF had a $52M outflow day on March 20 after a 7-day streak • Funding is flat (no squeeze catalyst for shorts to cover) • A break below $69,000 opens aggressive downside to the $65K-66K range Practical framing: If forced to choose, the $69,000-$70,000 zone is a watch zone, not a chase zone. A long entry with a hard stop below $69,000 has a defined risk and a credible thesis (double bottom + institutional bid). A short makes more sense only on a confirmed break below $69,000 with volume confirmation. Whatever direction you choose — keep leverage conservative given the binary macro risk with the Middle East situation. This is not a market where you want to be overexposed to a gap move. ——— The most interesting asymmetric setup is actually watching whether BTC can hold $69K while gold continues to bleed — if that divergence extends, it could be a compelling structural long thesis.
BTC
-2.29%
XAU
0%
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