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
$63,748.1
-1.56%
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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
$63,748.1
-1.56%
市場
人気度
時価総額
#1
$1.27T
取引高
流通供給量
$582.82M
20.06M

現時点で、ビットコイン(BTC)の価格は1コインあたり$63,748.1です。流通供給量はおよそ20,062,515BTCで、時価総額は$20.06M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$582.82Mに達し、前日比で-1.56%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-3.83%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

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デイリーニュース | BTC が 92,000 ドルを下回り、70 万人以上が清算される
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Bitcoin Fear and Greed Index: Market Sentiment Analysis for 2025
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さらに BTC ウィキ

ビットコイン(BTC)に関する最新情報

2026-07-28 20:31Gate News
三名投资者于 7 月 24 日就一款虚假钱包应用向苹果提起价值 180 万美元的比特币诉讼
2026-07-28 20:24Lucas Bennett
超大规模数据公司购买 18.59 比特币,BTC 资产库增至 1,106.04 BTC
2026-07-28 20:23Gate News
超大规模数据采购新增 18.59 BTC,当前总权益达到 1,106.04 BTC
2026-07-28 20:13Gate News
BTC 15分钟微涨0.33%:地缘风险溢价回落与美元走弱预期提供支撑
2026-07-28 20:06Gate News
美联储宣布将于 7 月 29 日公布利率决议,加息概率为 31.5%;比特币下跌 1.87%
その他の BTC ニュース
Brothers trading US stocks short-term, my advice is very direct: before the Federal Reserve rate decision is released at 2:00 a.m. on the 30th, try not to open new positions casually, especially in the Nasdaq and high-valuation tech stocks. At this kind of timing, it’s easiest to get thrust up and down; even if you guess the direction correctly, you may still get swept out first. Rather than betting on up or down in advance, it’s better to stay in cash and wait for the market to show its stance.
The current interest-rate range is 3.50%—3.75%. Market consensus is still that the rate will remain unchanged, but there’s also a possibility of an unexpected 25-basis-point hike. In a Reuters survey of 104 economists, all of them predict that the Fed will hold rates steady this time.
Personally, I also lean toward no hike. But what truly determines the market may not be the result itself—it may be the subsequent statement and the press conference. As long as they continue emphasizing inflation, or hint that a rate hike may still be on the table in September, the market can still first rise and then fall.
This time, compared with the crypto market, I think the Nasdaq faces a bigger direct impact. Tech-stock valuations are very sensitive to interest rates and US Treasury yields. On top of that, in these days, they’re also colliding with earnings reports from tech giants—so the market is essentially trading both interest rates and earnings at the same time, leaving very little room for error.
Crypto will move too, but the transmission is more indirect: the dollar and US Treasuries move first, then the Nasdaq signals, BTC follows risk appetite, and finally altcoins amplify volatility through leverage and liquidations.
So my understanding is: the Nasdaq sets the direction, BTC amplifies the sentiment, and altcoins amplify the drawdown. In this situation, going to cash isn’t missing an opportunity—it’s keeping the initiative in your own hands. After the result comes out, seeing how the dollar, US Treasuries, and the Nasdaq move is often more stable than placing a bet in advance.
$BTC $ETH $SOL
GalaxyTradingNotesBit
2026-07-28 20:58
Brothers trading US stocks short-term, my advice is very direct: before the Federal Reserve rate decision is released at 2:00 a.m. on the 30th, try not to open new positions casually, especially in the Nasdaq and high-valuation tech stocks. At this kind of timing, it’s easiest to get thrust up and down; even if you guess the direction correctly, you may still get swept out first. Rather than betting on up or down in advance, it’s better to stay in cash and wait for the market to show its stance. The current interest-rate range is 3.50%—3.75%. Market consensus is still that the rate will remain unchanged, but there’s also a possibility of an unexpected 25-basis-point hike. In a Reuters survey of 104 economists, all of them predict that the Fed will hold rates steady this time. Personally, I also lean toward no hike. But what truly determines the market may not be the result itself—it may be the subsequent statement and the press conference. As long as they continue emphasizing inflation, or hint that a rate hike may still be on the table in September, the market can still first rise and then fall. This time, compared with the crypto market, I think the Nasdaq faces a bigger direct impact. Tech-stock valuations are very sensitive to interest rates and US Treasury yields. On top of that, in these days, they’re also colliding with earnings reports from tech giants—so the market is essentially trading both interest rates and earnings at the same time, leaving very little room for error. Crypto will move too, but the transmission is more indirect: the dollar and US Treasuries move first, then the Nasdaq signals, BTC follows risk appetite, and finally altcoins amplify volatility through leverage and liquidations. So my understanding is: the Nasdaq sets the direction, BTC amplifies the sentiment, and altcoins amplify the drawdown. In this situation, going to cash isn’t missing an opportunity—it’s keeping the initiative in your own hands. After the result comes out, seeing how the dollar, US Treasuries, and the Nasdaq move is often more stable than placing a bet in advance. $BTC $ETH $SOL
BTC
-1.57%
ETH
-1.45%
SOL
-2.36%
When the screen is filled with green candles, it’s most likely that people rush to bottom-fish—and it’s also most likely that someone forgets how to close their short positions. When the price dumped intraday, I first checked how strongly $BILL retraced; I found that the rebound stayed weak all along. After it fell, the support didn’t quickly come back, and the shorts hadn’t exited.
Earlier, BILL surged around 0.14088 with relatively low trading volume. The price looked like it was being pushed up, but in reality nobody was willing to keep taking orders. At the time, I advised waiting for the sell pressure to dissipate, and executed the plan to open longs—what I was waiting for was the payout after the price faced pressure at the high.
Now the price has reached 0.02402, and the unrealized profit shows +1633.55%; the answer is already laid out on the chart. First, close 80% to lock in results. Set cost protection for the remaining 80%; if it continues to dip, it allows the profit to extend. If it bounces back, it won’t give back the space already secured.
Risk control done upfront is called rationality. Cutting losses after you’ve already lost is called a brave severing of the arm. Chasing after a drop is also dangerous—if you didn’t get in, don’t rush to top up. The market doesn’t lack opportunities; what it lacks is patience.
$BTC $ETH
TraderHongYi
2026-07-28 20:31
When the screen is filled with green candles, it’s most likely that people rush to bottom-fish—and it’s also most likely that someone forgets how to close their short positions. When the price dumped intraday, I first checked how strongly $BILL retraced; I found that the rebound stayed weak all along. After it fell, the support didn’t quickly come back, and the shorts hadn’t exited. Earlier, BILL surged around 0.14088 with relatively low trading volume. The price looked like it was being pushed up, but in reality nobody was willing to keep taking orders. At the time, I advised waiting for the sell pressure to dissipate, and executed the plan to open longs—what I was waiting for was the payout after the price faced pressure at the high. Now the price has reached 0.02402, and the unrealized profit shows +1633.55%; the answer is already laid out on the chart. First, close 80% to lock in results. Set cost protection for the remaining 80%; if it continues to dip, it allows the profit to extend. If it bounces back, it won’t give back the space already secured. Risk control done upfront is called rationality. Cutting losses after you’ve already lost is called a brave severing of the arm. Chasing after a drop is also dangerous—if you didn’t get in, don’t rush to top up. The market doesn’t lack opportunities; what it lacks is patience. $BTC $ETH
BILL
-0.29%
BTC
-1.57%
ETH
-1.45%
Rise 🤯, oh my god! SanDisk’s cut in half, and SK hynix/Micron plunges 9%—and you tell me ETH only fell 1.5%??
The Philadelphia semiconductor index once crashed by more than 6%. Is the AI bubble about to burst? Are the market makers starting to kill valuations?
The night before last, my girlfriend asked me why I still wasn’t asleep. I said I was watching the charts. She looked at the screen—“Green?” I said yes, green and glowing. Then she asked, “Did you make money?”... I’m sleeping on the couch now.
$ETH  ‌
This one is really tough,
The broader market $BTC  ‌ is down 1.71% to $63,907, and ETH only fell 1.49%. The Bollinger middle band at $1,914 is holding up, and RSI is 58—neither oversold nor overbought. The market makers are walking the balance beam. But Coinglass data shows when ETH breaks below $1,815 it will liquidate more than 906 million orders—brothers on the long side, once this level breaks, it’s a chain reaction explosion.
SanDisk $SNDK  ‌
$SKHYNIX 
-
Micron $MU  ‌ this drop is already a major disaster even by crypto standards; in US stocks it’s basically a nuclear bomb.
Wall Street money is rotating from chip stocks into consumer stocks—Apple even hit a market cap of 5 trillion.
💡Short-term play: fix ETH at $1,815. If it breaks, long stop-loss triggers—if it doesn’t, you can bet on a rebound back to the $1,947 prior high. Don’t hold the position—this kind of market can drive a needle straight through you and make you cry.
For the long term, for storage chips, wait until the earnings reports come out—SK hynix is releasing earnings today. Is it good news that lands or bad news that’s already out? Nobody knows.
Drop a comment: are you long or short? Are you stuck in a losing trade this time? If you liked it, you’ll break even this week; if you repost, it directly doubles! 👇
#GateCard消费返现最高8%
TalkingAboutMemeAsTheCoinMakes
2026-07-28 20:12
Rise 🤯, oh my god! SanDisk’s cut in half, and SK hynix/Micron plunges 9%—and you tell me ETH only fell 1.5%?? The Philadelphia semiconductor index once crashed by more than 6%. Is the AI bubble about to burst? Are the market makers starting to kill valuations? The night before last, my girlfriend asked me why I still wasn’t asleep. I said I was watching the charts. She looked at the screen—“Green?” I said yes, green and glowing. Then she asked, “Did you make money?”... I’m sleeping on the couch now. $ETH ‌ This one is really tough, The broader market $BTC ‌ is down 1.71% to $63,907, and ETH only fell 1.49%. The Bollinger middle band at $1,914 is holding up, and RSI is 58—neither oversold nor overbought. The market makers are walking the balance beam. But Coinglass data shows when ETH breaks below $1,815 it will liquidate more than 906 million orders—brothers on the long side, once this level breaks, it’s a chain reaction explosion. SanDisk $SNDK ‌ $SKHYNIX - Micron $MU ‌ this drop is already a major disaster even by crypto standards; in US stocks it’s basically a nuclear bomb. Wall Street money is rotating from chip stocks into consumer stocks—Apple even hit a market cap of 5 trillion. 💡Short-term play: fix ETH at $1,815. If it breaks, long stop-loss triggers—if it doesn’t, you can bet on a rebound back to the $1,947 prior high. Don’t hold the position—this kind of market can drive a needle straight through you and make you cry. For the long term, for storage chips, wait until the earnings reports come out—SK hynix is releasing earnings today. Is it good news that lands or bad news that’s already out? Nobody knows. Drop a comment: are you long or short? Are you stuck in a losing trade this time? If you liked it, you’ll break even this week; if you repost, it directly doubles! 👇 #GateCard消费返现最高8%
ETH
-1.45%
BTC
-1.57%
SNDK
-12.36%
SKHYNIX
-6.56%
MU
-7.7%
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