- Top reward
- ¥5,000,000
- Top severity paid
- Critical
- Assets in scope
- 12
- Public CVEs
- 0
- Last change
- No changes yet
At a glance
What to know before you start testing.
- Pays up to ¥5,000,000
- for critical bugs.
- Report on IssueHunt
- Submit through the program page.
Rewards
What IssueHunt lists as the payout for each severity.
| Severity | Relative size | Reward |
|---|---|---|
| Critical |
|
¥5,000,000 from ¥500,000 |
| High |
|
¥500,000 from ¥100,000 |
| Medium |
|
¥100,000 from ¥10,000 |
| Low |
|
¥10,000 from ¥5,000 |
| Informational |
|
¥5,000 |
Scope
12 assets you may test.
Domains 7
- bitflyer.com
- chainflyer.bitflyer.com
- io.lightstream.bitflyer.com
- lightchart.bitflyer.com
- lightning.bitflyer.com
- signal.bitflyer.com
- ws.lightstream.bitflyer.com
Wildcard domains 2
- *.custodiem.com
- *.custodiem.dev
Android apps 1
- https://play.google.com/store/apps/details?id=com.bitflyer.android.bfwallet&hl=en_US
APIs 1
- analytics.bitflyer.com
iOS apps 1
- https://apps.apple.com/us/developer/bitflyer-inc/id849472648
Changes
Tracked since 11 Nov 2026. Last checked 15 minutes ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
Public CVEs
Published vulnerabilities in this vendor's products, from the NVD.
No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.