Bitcoiner Hansei-kai (ビットコイナー反省会, @ビットコイナー反省会) is a Japanese-language YouTube channel about Bitcoin, crypto and blockchain, hosted by Koji Higashi, a Japanese Bitcoin industry pioneer. With about 18,100 subscribers and a median of roughly 3,700 views per video, it posts about every two weeks. Sponsor rates run $150 to $250 per video.
Japan's long-running Bitcoin discussion show with a dedicated, deep-dive audience
- Median of about 3,700 views per video across 748 uploads since 2016
- Engagement rate of 1.48 percent, with 28 uploads in the past 365 days
- Typical sponsored rate of $150 to $250 per video, around $20 to $35 CPM, versus $10 to $30 for paid ads
Brand fit report
Content
- Formats
- live-recorded roundtable discussions, video reviews of other creators' content, short commentary clips
- Tone
- analytical, conversational
- Language
- Japanese
- On camera
- No, voiceover and b-roll
- Production
- Phone, natural light
- Typical length
- 2 to 3 hours for regular episodes, 1 to 2 minutes for Shorts-style clips
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- hardware crypto wallets (promoted through description links, not paid)
- Affiliate links
- No
Recent descriptions link a hardware wallet and Lightning payment shop (lightningbase.jp) and a conference, with no sponsorship disclosure found in the last 50 videos.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Titles discuss kidnapping and robbery of Bitcoin holders ("ビットコイン保有者の襲撃や誘拐事件がなぜ増えているのか？") and sanctions on the International Criminal Court, which are sensitive but informational.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Platforms
Benchmark score: 36 / 100
Public rule, same for everyone. How it works.
Recent videos
▶個人情報流出祭り。だからやめとけっていってたのに ビットコイナー反省会 Ep.120 · 5k views
▶【予習】ビットコイン保有者の襲撃や誘拐事件がなぜ増えているのか？自分や家族を守るには？ with Cygnos 三原さん · 4.6k views
▶AIがビットコインをぼこぼこにするフェーズが継続中 ビットコイナー反省会 Ep.119 · 7.2k viewsLast three uploads, latest 5 days ago.
ビットコイナー反省会はビットコインを中心に、仮想通貨、ブロックチェーン関係の専門的なトピックを黎明期から多分日本では最も深く議論しているチャンネルです。 日本国内の黎明期からビットコイン、ブロックチェーン業界の豪華ゲストを呼びつつ、楽しく、真面目に話しています。 ビットコイン初心者向けに姉妹サイトとして「知っとこ！ビットコイン図鑑」も運営中。 https://bitcoin-zukan.com 反省会ホスト Koji Higashi (https://twitter.com/Coin_and_Peace） ・ビットコインのポテンシャルに魅了され、2014年からフルタイムで関連事業に取り組む。日本のビットコイン業界の草分け的存在の一人。 ・ビットコイン、ブロックチェーン業界においてプロダクトマネジャー、コンテンツクリエイター、マーケターなど多角的に活動しており、国内外で認知されている。
About ビットコイナー反省会
Bitcoiner Hansei-kai (ビットコイナー反省会) is a Japanese-language YouTube channel run by host Koji Higashi, described on the channel and on the creator's website as a Bitcoin industry pioneer who has worked full time in the field since 2014. The channel publishes long-form, live-recorded roundtable discussions on Bitcoin, cryptocurrency and blockchain, along with video reviews of other creators' content and occasional short clips. Uploads are roughly every two weeks, and episodes often run two to three hours.
The audience appears to be Japanese-speaking Bitcoin holders and newcomers who want deeper analysis than mainstream news offers. These viewer estimates are inferred from titles and descriptions, not from platform analytics. The channel has about 18,100 subscribers and a median of roughly 3,700 views per video.
Sponsored integrations are estimated at $150 to $250 per video, which works out to about $20 to $35 CPM against $10 to $30 for paid ads. Brands in crypto hardware, wallets and fintech education are the best fit.
Written from ビットコイナー反省会's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. ビットコイナー反省会 can edit or remove this page at any time.
Questions about ビットコイナー反省会
How much does Bitcoiner Hansei-kai charge for a sponsored video?
Based on a median of about 3,700 views, sponsored integrations are estimated at $150 to $250 per video, roughly $20 to $35 CPM. Brands should confirm the final rate directly with the creator, as this is a Starbooked estimate.
What does Bitcoiner Hansei-kai post about on YouTube?
The channel covers Bitcoin, cryptocurrency and blockchain, mostly through long live-recorded discussions with guests from the Japanese Bitcoin industry. It also reviews other creators' videos and posts short commentary clips on current events.
How do I contact Bitcoiner Hansei-kai for a brand deal?
Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly, so check the profile for availability.
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