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
$66,746.1
-1.35%
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
$66,746.1
-1.35%
市場
人気度
時価総額
#1
$1.33T
取引高
流通供給量
$690.91M
20M

現時点で、ビットコイン(BTC)の価格は1コインあたり$66,746.1です。流通供給量はおよそ20,009,412BTC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$690.91Mに達し、前日比で-1.35%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-5.89%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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Beginner
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Beginner
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Beginner
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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?
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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

2026-03-31 09:10CryptoPotato
“极度恐惧”回来了,但比特币的价格反弹取决于它:Santiment
2026-03-31 09:02Cointelegraph
中本托卖出价值 2000 万美元的比特币,并削减 Metaplanet 持仓比例
2026-03-31 08:47GateNews
BTC 15分钟下跌0.71%:ETF资金流出与杠杆空头共振加剧抛压
2026-03-31 08:46GateNews
BTC 跌破 67,000 美元,24 小时跌幅 1.25%
2026-03-31 08:41CoinDesk
加密投资公司 Keyrock 在由 SC Ventures 牵头的 C 轮融资中估值达 11 亿美元
その他の BTC ニュース
You may not be able to change the past, but you always have control over your future. Don't let yesterday's mistakes steal the happiness you can create today.$BTC
Sanz125
2026-03-31 09:14
You may not be able to change the past, but you always have control over your future. Don't let yesterday's mistakes steal the happiness you can create today.$BTC
BTC
-1.32%
The second order within the plan was successfully executed!
The Silk Road is very clear. After the 67,500 support was decisively followed by a short position, targeting directly at 66,800-66,500. Take profit and exit once reached.
This wave of correction precisely captured a 700-point move, with 58,000 oil steadily secured.
Although plans can't keep up with changes, my predictions have long locked in the market trend. How will you respond to this wave?
$BTC $ETH 
#Gate金手指 #加密市场普遍上涨 
#鲍威尔鸽派发言重燃降息预期 
#特朗普释放停战信号
TrendJiaoLong
2026-03-31 09:13
The second order within the plan was successfully executed! The Silk Road is very clear. After the 67,500 support was decisively followed by a short position, targeting directly at 66,800-66,500. Take profit and exit once reached. This wave of correction precisely captured a 700-point move, with 58,000 oil steadily secured. Although plans can't keep up with changes, my predictions have long locked in the market trend. How will you respond to this wave? $BTC $ETH #Gate金手指 #加密市场普遍上涨 #鲍威尔鸽派发言重燃降息预期 #特朗普释放停战信号
BTC
-1.32%
ETH
-1.09%
Just been thinking about one of crypto's most overlooked legends — Harold Finney. Most people know the name but don't really understand who this guy was or why he matters so much to Bitcoin's story.
So here's the thing: before Bitcoin even existed, Harold Finney was already deep in the cryptography world. Born back in 1956, this guy was a programmer and mathematician from day one. Got his degree from Caltech in mechanical engineering, but his real passion was always digital security and privacy. He actually worked on some of the earliest encryption software — Pretty Good Privacy, or PGP — which was revolutionary at the time.
But where it gets really interesting is what happened in 2004. Finney developed something called reusable proof-of-work, or RPOW. If you know anything about Bitcoin, you know proof-of-work is literally the foundation of the whole system. So Harold was already thinking about these problems years before Satoshi dropped the Bitcoin whitepaper in October 2008.
When the whitepaper came out, Finney immediately got it. Like, he understood the vision right away. He wasn't just some random early adopter — he was actively working with Satoshi, suggesting improvements, helping debug the code. On January 11, 2009, he ran the first Bitcoin node and sent that legendary tweet: "Running Bitcoin". That first transaction between Satoshi and Harold? That was the moment it became real.
People have always speculated whether Harold Finney actually was Satoshi Nakamoto, mainly because of how close they worked together and how similar some of their writing styles seemed. But Harold always denied it, and most of the crypto community agrees they were just two brilliant minds who believed in the same vision.
What's kind of heartbreaking is that in 2009, right after Bitcoin launched, Harold was diagnosed with ALS. Most people would have stepped back, but not him. He kept coding, kept contributing, even after he lost the ability to type — he used eye-tracking technology to keep working. That's the kind of dedication this guy had.
Harold Finney passed away in 2014 at 58, and had his body cryonically preserved, which honestly says everything about his belief in technology and the future. His real legacy though isn't just Bitcoin. He was a pioneer in cryptography and digital privacy way before crypto became mainstream. He understood that this was about giving people control over their own money and their own data.
When you look at Bitcoin's philosophy today — decentralization, privacy, censorship resistance — a lot of that came from people like Harold who spent decades fighting for those ideals through cryptography. He saw Bitcoin as the natural evolution of that fight, not just some technical experiment.
That's why Harold Finney deserves to be remembered as more than just "that early Bitcoin guy". He was a visionary who helped build the foundation for everything that came after.
TestnetNomad
2026-03-31 09:13
Just been thinking about one of crypto's most overlooked legends — Harold Finney. Most people know the name but don't really understand who this guy was or why he matters so much to Bitcoin's story. So here's the thing: before Bitcoin even existed, Harold Finney was already deep in the cryptography world. Born back in 1956, this guy was a programmer and mathematician from day one. Got his degree from Caltech in mechanical engineering, but his real passion was always digital security and privacy. He actually worked on some of the earliest encryption software — Pretty Good Privacy, or PGP — which was revolutionary at the time. But where it gets really interesting is what happened in 2004. Finney developed something called reusable proof-of-work, or RPOW. If you know anything about Bitcoin, you know proof-of-work is literally the foundation of the whole system. So Harold was already thinking about these problems years before Satoshi dropped the Bitcoin whitepaper in October 2008. When the whitepaper came out, Finney immediately got it. Like, he understood the vision right away. He wasn't just some random early adopter — he was actively working with Satoshi, suggesting improvements, helping debug the code. On January 11, 2009, he ran the first Bitcoin node and sent that legendary tweet: "Running Bitcoin". That first transaction between Satoshi and Harold? That was the moment it became real. People have always speculated whether Harold Finney actually was Satoshi Nakamoto, mainly because of how close they worked together and how similar some of their writing styles seemed. But Harold always denied it, and most of the crypto community agrees they were just two brilliant minds who believed in the same vision. What's kind of heartbreaking is that in 2009, right after Bitcoin launched, Harold was diagnosed with ALS. Most people would have stepped back, but not him. He kept coding, kept contributing, even after he lost the ability to type — he used eye-tracking technology to keep working. That's the kind of dedication this guy had. Harold Finney passed away in 2014 at 58, and had his body cryonically preserved, which honestly says everything about his belief in technology and the future. His real legacy though isn't just Bitcoin. He was a pioneer in cryptography and digital privacy way before crypto became mainstream. He understood that this was about giving people control over their own money and their own data. When you look at Bitcoin's philosophy today — decentralization, privacy, censorship resistance — a lot of that came from people like Harold who spent decades fighting for those ideals through cryptography. He saw Bitcoin as the natural evolution of that fight, not just some technical experiment. That's why Harold Finney deserves to be remembered as more than just "that early Bitcoin guy". He was a visionary who helped build the foundation for everything that came after.
BTC
-1.32%
SATOSHI
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