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Where the world buys crypto. Millions across the globe trust bitFlyer as their preferred way to trade virtual currencies. Get started today.

San Francisco, CA
Joined February 2017
Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)Photo by bitFlyer USA (@bitFlyerUSA)
🎉 The bitFlyer USA Referral Program is back! 🤝 You get $15 in BTC 🎁 Your friend gets $15 in BTC All they need to do: open an account and trade $100+ within 90 days. Invite a friend today 👇 🔗 bitflyer.com/en-us/ex/referr… Eligible US states only. Terms apply: bitflyer.com/en-us/static/re…
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Notice: Security Incident at Binance Binance has reported large-scale unauthorized outflows of crypto assets. As a precaution, bitFlyer has temporarily restricted sending crypto assets to Binance until we confirm it is safe to resume. As of now, our systems and customer assets are not affected. We manage customer crypto assets in offline cold wallets, segregated from bitFlyer’s own assets. We will share updates as the situation develops.
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The delay in crediting incoming Stellar Lumens (XLM) transfers was resolved at approximately 6:08 pm (PST) on Wednesday, October 21, 2026, and normal operation has been confirmed. Incoming Stellar Lumens (XLM) transfers are now being credited to accounts normally. All incoming XLM transfers that had not been credited while the issue was ongoing have also been credited. We sincerely apologize for the prolonged inconvenience.
2026 年 10 月 19 日(月)午後 11 時 49 分頃から発生しておりました、ステラルーメン( XLM )の受取反映遅延につきまして、2026 年 10 月 22 日(木)午前 10 時 08 分頃に復旧し、正常な稼働を確認いたしました。 現在、ステラルーメン( XLM )の受取は正常に反映される状態となっております。また、本事象の発生期間中に反映されていなかった受取につきましても、すべて反映が完了しております。 お客様には長時間にわたりご不便とご迷惑をおかけしましたことを、心よりお詫び申し上げます。 The delay in crediting incoming Stellar Lumens (XLM) transfers, which began at approximately 11:49 pm (JST) on Monday, October 19, 2026, was resolved at approximately 10:08 am (JST) on Thursday, October 22, 2026, and normal operation has been confirmed. Incoming Stellar Lumens (XLM) transfers are now being credited to accounts normally. All incoming XLM transfers that had not been credited while the issue was ongoing have also been credited. We sincerely apologize for the prolonged inconvenience.
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Since approximately 7:49 AM (PST) on Monday, October 19, 2026, Stellar Lumens (XLM) received from external sources have not been credited to bitFlyer accounts as usual. This is due to access restrictions on the official Stellar API (Stellar Development Foundation), which bitFlyer uses. We are currently working to resume crediting through alternative means. Sending Stellar Lumens (XLM), as well as receiving and sending all other crypto assets, is not affected. We sincerely apologize for the inconvenience this has caused. We will announce when service has resumed on @bitFlyer_status
2026 年 10 月 19 日(月)午後 11 時 49 分頃から、XLM の公式 API( Stellar Development Foundation )へのアクセス制限の影響により、ステラルーメン( XLM )の受取が正常に反映されない事象が発生しております。 現在、代替手段による受取反映の再開に向けた対応を進めております。 なお、ステラルーメン( XLM )の送付およびその他の暗号資産の受取・送付には影響ございません。 お客様にはご不便とご迷惑をおかけしておりますことを心よりお詫び申し上げます。 ステラルーメン( XLM )の受取反映が復旧・再開しましたら、改めてご案内いたします。 Since approximately 11:49 pm (JST) on Monday, October 19, 2026, Stellar Lumens (XLM) received from external sources have not been credited to bitFlyer accounts as usual. This is due to access restrictions on the official Stellar API (Stellar Development Foundation), which bitFlyer uses. We are currently working to resume crediting through alternative means. Sending Stellar Lumens (XLM), as well as receiving and sending all other crypto assets, is not affected. We sincerely apologize for the inconvenience this has caused. We will provide a further update once the crediting of incoming XLM transfers has resumed.
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We will conduct maintenance on Tuesday, October 20, 2026, from approximately 12:00 PM to 12:30 PM (PST). During the maintenance period, all services may experience multiple brief instances of connection instability lasting a few minutes each.
2026 年 10 月 21 日(水)午前 4 時 00 分頃から午前 4 時 30 分頃までの間、メンテナンスを実施します。作業中はすべてのサービスにおいて、数分程度、接続が不安定になる可能性があります。 お客様にご不便をおかけしますことを心よりお詫び申し上げます。なお、作業状況により、メンテナンスの時間が前後する場合がございます。あらかじめご了承ください。 We will conduct maintenance on Wednesday, October 21st, 2026 from approx. 4:00 to 4:30 am (JST). During the maintenance, all services may experience connection instability for a few minutes. We apologize for any inconvenience this may cause. Please note that the start and end times may vary depending on the progress of the work.
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We will conduct maintenance on Wednesday, September 16, 2026, from approximately 12:00 PM to 12:30 PM (PST). During the maintenance period, all services may experience multiple brief instances of connection instability lasting a few minutes each.
2026 年 9 月 17 日(木)午前 4 時 00 分頃から午前 4 時 30 分頃までの間、メンテナンスを実施します。作業中はすべてのサービスにおいて、数分程度、接続が不安定になる可能性があります。 お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業状況により、メンテナンスの時間が前後する場合がございます。あらかじめご了承ください。 We will conduct maintenance on Thursday, September 17th, 2026 from approx. 4:00 to 4:30 am (JST). During the maintenance, all services may experience connection instability for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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Following the Polkadot Asset Hub upgrade, DOT send/receive will be temporarily suspended starting ~1:30 AM PT today. Buy/sell remains available. DOT sent during this window may not process correctly. We will announce when service has resumed on @bitFlyer_status
2026 年 9 月 10 日(木)に実施された「Polkadot Asset Hub」ネットワークのアップグレードに対応するため、緊急システムメンテナンスを実施いたします。 これに伴い、本日 18 時 30 分頃(日本時間)より、以下の暗号資産の「受取・送付」を一時停止いたします。急なご案内となりますことを、深くお詫び申し上げます。お客様には、ご不便をおかけし誠に申し訳ございません 受取・送付の再開につきましては、システムメンテナンスが完了次第、改めてご案内いたします。 「受取・送付」を一時停止する暗号資産:Polkadot(DOT) 販売所における DOT のお取引は、通常通りご利用いただけます。 一時停止日時以降に受取用アドレスに DOT を送付した場合は、取引データの処理が適切に行われず、お客様のアカウントに反映されない可能性があります。あらかじめご了承ください。 * 一時停止日時より前にお送りいただいた DOT につきましても、上記事象の影響により、お客様のアカウントへの反映までにお時間をいただく場合があります In response to the upgrade to the Polkadot Asset Hub network, which took place on Thursday, September 10th, 2026, we will be conducting emergency system maintenance. Accordingly, starting at approx. 6:30 pm (JST) today, sending and receiving of the following crypto asset will be temporarily suspended. A further announcement regarding the resumption of these functions will be provided once the system maintenance is complete. Affected crypto asset: Polkadot (DOT) DOT transactions on Buy / Sell remain available as usual. Please note that if DOT is sent to a receiving address during the service suspension period, the transaction data may not be appropriately processed and may not be reflected in your account. Please also note that DOT sent prior to the suspension start time may take additional time to be reflected in your account due to the circumstances described above.
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bitFlyer is proud to be an official sponsor of CBC Summit USA 2026! 🎉 On September 17 in Washington, D.C., industry leaders will come together to discuss crypto banking, stablecoins, and compliance.
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With our experience operating across multiple regulatory jurisdictions, we’re excited to support an event focused on topics that are so important to our industry. If you’re attending, come say hi to the bitFlyer team in D.C.!
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We will conduct maintenance on Tuesday, April 21, 2026, from approximately 12:00 PM to 12:30 PM (PST). During the maintenance period, all services may experience multiple brief instances of connection instability lasting a few minutes each.
2026 年 4 月 22 日(水)午前 4 時 00 分頃から午前 4 時 30 分頃までの間、メンテナンスを実施します。 作業中は、すべてのサービスにおいて、数分程度の接続不安定な状態が複数回発生する可能性があります。 お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業状況により、メンテナンスの時間が前後する場合がございます。あらかじめご了承ください。 We will conduct maintenance on Wednesday, April 22nd, 2026 from approx. 4:00 to 4:30 am (JST). During the maintenance, access to all services may be temporarily unavailable for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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We will conduct maintenance on Tuesday, March 24, 2026, from approximately 12:00 PM to 12:30 PM (PST). During the maintenance period, all services may experience multiple brief instances of connection instability lasting a few minutes each.
2026 年 3 月 25 日(水)午前 4 時 00 分頃から午前 4 時 30 分頃までの間、メンテナンスを実施します。作業中は、すべてのサービスにおいて、数分程度の接続不安定な状態が複数回発生する可能性があります。お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業状況により、メンテナンスの時間が前後する場合がございます。あらかじめご了承ください。 We will conduct maintenance on Wednesday, March 25th, 2026 from approx. 4:00 to 4:30 am (JST). During the maintenance, access to all services may be temporarily unavailable for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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We will conduct maintenance on Tuesday, February 24, 2026, from approximately 11:00 AM to 11:30 AM (PST). During the maintenance period, all services may experience multiple brief instances of connection instability lasting a few minutes each.
2026 年 2 月 25 日(水)午前 4 時 00 分頃から午前 4 時 30 分頃までの間、メンテナンスを実施します。作業中は、すべてのサービスにおいて、数分程度の接続不安定な状態が複数回発生する可能性があります。お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業状況により、メンテナンスの時間が前後する場合がございます。あらかじめご了承ください。 We will conduct maintenance on Wednesday, February 25th, 2026 from approx. 4:00 to 4:30 am (JST). During the maintenance, access to all services may be temporarily unavailable for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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An upgrade of Tezos (XTZ) is scheduled to be implemented on January 23, 2026. As a result, deposits and withdrawals of $XTZ will be temporarily suspended beginning January 23, 2026 at 12:00 AM (PT). We will update the exact resumption time on @bitFlyer_status once confirmed
Tezos プロトコルアップグレード「 Tallinn 」に伴い、2026 年 1 月 23 日(金) 17 時頃(日本時間)より、以下の暗号資産の「預入・送付」を一時停止いたします。 「預入・送付」を一時停止する暗号資産: XTZ 販売所・かんたん積立における対象の暗号資産のお取引は、通常通りご利用いただけます。ただし、プロトコルアップグレードの進捗状況によってお客様の資産に影響が生じる可能性があると当社が判断した場合には、販売所・かんたん積立におけるお取引を一時的に停止することがございます。あらかじめご了承ください。 一時停止日時以降に預入用アドレスに対象の暗号資産を預入した場合は、取引データの処理が適切に行われず、お客様のアカウントに反映されない可能性がございます。あらかじめご了承ください。 Due to the Tezos protocol upgrade “Tallinn,” we will temporarily suspend incoming and outgoing transfers for affected crypto assets starting Friday, January 23rd, 2026 around 5:00 pm (JST). Crypto assets subject to the temporary suspension of incoming and outgoing transfers: XTZ Transactions for the affected crypto assets on Buy/Sell and Recurring Buy will remain available as usual. However, depending on the progress of the network upgrade, if we determine that there may be an impact on customer assets, we may temporarily suspend trading for these services. Please note that if you deposit any affected crypto assets to your deposit address during the service suspension period, the transaction data may not be appropriately processed and not be reflected in your account.
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We will conduct maintenance on Monday, November 17, 2025 from approximately 11:00 AM to 12:00 PM (PST). During the maintenance, bitFlyer Lightning and the Lightning API will be unavailable. In addition, other services may experience connection difficulties.
2025 年 11 月 18 日(火)午前 4 時頃から午前 5 時頃までの間、メンテナンスを実施します。作業中は、bitFlyer Lightning 及び Lightning API がご利用いただけません。 また、その他のサービスについては、複数回、数分間にわたり接続しづらくなる可能性がございます。 お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業日時は前後する可能性がございます。 We will conduct maintenance on Tuesday, November 18th, 2025 from approx. 4:00 am to 5:00 am (JST). During the maintenance, bitFlyer Lightning and the Lightning API will be unavailable. Other services may also experience temporary interruptions for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance timeframe is subject to change.
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We will conduct maintenance on Monday, October 20th, 2025 from approx. 12:00 pm to 1:00 pm (PT). During the maintenance, bitFlyer Lightning and the Lightning API will be unavailable. Other services may also experience temporary interruptions for a few minutes at a time.
2025 年 10 月 21 日(火)午前 4 時頃から午前 5 時頃までの間、メンテナンスを実施します。作業中は、bitFlyer Lightning 及び Lightning API がご利用いただけません。 また、その他のサービスについては、複数回、数分間にわたり接続しづらくなる可能性がございます。 お客様にご不便をおかけしますことを心よりお詫び申し上げます。 なお、作業日時は前後する可能性がございます。 We will conduct maintenance on Tuesday, October 21st, 2025 from approx. 4:00 am to 5:00 am (JST). During the maintenance, bitFlyer Lightning and the Lightning API will be unavailable. Other services may also experience temporary interruptions for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance timeframe is subject to change.
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As of approximately 12:00 am (PST) yesterday, ERC-20 deposits have been temporarily unavailable due to a system issue. Our team is working diligently to restore full functionality as quickly as possible. The exact resumption time will be updated on @bitFlyer_status
Replying to @bitFlyer_status
Service Update As of approximately 4:00 pm (JST) yesterday, ERC-20 deposits have been temporarily unavailable due to a system issue. Our team is working diligently to restore full functionality as quickly as possible. We sincerely apologize for the inconvenience and disruption this may cause and appreciate your understanding. We will provide an update as soon as the system has been restored.
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An upgrade of Tezos (XTZ) is scheduled to be implemented on September 19, 2025. As a result, deposits and withdrawals of $XTZ will be temporarily suspended beginning September 18, 2025 at 1:00 AM (PT). We will update the exact resumption time on @bitFlyer_status once confirmed
In preparation for the upcoming Tezos (XTZ) protocol upgrade, we will temporarily suspend XTZ deposits and withdrawals on Thursday, September 18th, 2025, from around 5:00 pm (JST). Purchases and sales of XTZ on Buy/Sell are planned to be available as usual before, during, and after the protocol upgrade. However, please be aware that if we determine that customer assets may be affected during the protocol upgrade, these services may need to be suspended temporarily as well. Time and date of service resumption will be announced here on @bitFlyer_status. For details, refer to the notification in the bitFlyer app (iOS/Android).
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We will conduct maintenance on Tuesday, August 19, 2025 from approximately 12:00 PM to 12:30 PM (PT). All services may have difficulty connecting during the update. We apologize for the inconvenience. The start and end times are subject to change.
We will conduct maintenance on Wednesday, August 20th, 2025 from approx. 4:00 to 4:30 am (JST). During the maintenance, access to all services may be temporarily unavailable for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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We will conduct maintenance from around 10:00 am to 12:00 pm (PT) on Monday, July 14, 2025. All services may have difficulty connecting during the update. We apologize for the inconvenience. The start and end times are subject to change.
Replying to @bitFlyer_status
We will conduct maintenance on Tuesday, July 15th, 2025 from approx. 2:00 to 4:00 am (JST). During the maintenance, access to all services may be temporarily unavailable for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance duration may vary depending on the progress of the work.
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📢Please be advised that bitFlyer USA will be closed on Friday, July 4, 2025 in observance of Independence Day. Standard support and operations will resume on Monday, July 7, 2025.
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We will be performing scheduled maintenance on Wednesday, June 18, 2025, from approximately 12:00 PM to 1:00 PM (PST). During this time, bitFlyer Lightning and the Lightning API will be temporarily unavailable. Other services may also experience brief interruptions.
We will conduct maintenance on Thursday, June 19th, 2025 from approx. 4:00 to 5:00 am (JST). During the maintenance, bitFlyer Lightning and the Lightning API will be unavailable. Other services may also experience temporary interruptions for a few minutes at a time. We apologize for any inconvenience this may cause. Please note that the maintenance timeframe is subject to change.
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