WaitlistCTF puzzle
BLE Beacon Decode Challenge
What it is: CTF puzzle: a Bluetooth beacon broadcasting a message to decode.
€32Planned price · Expected Summer 2027
- Radio
- Bluetooth Low Energy
- Power
- CR2032 coin cell
- Levels
- 3, beginner to advanced
Join the waitlist
Be among the first to get it, at the launch price.
- Level 1 needs only a phone
- Nothing to solder
- Official solution at day 60
A tiny coin-cell Bluetooth beacon broadcasts an encoded message. Your phone is enough to get started.
Three honestly labeled levels, from first click to a real head-scratcher. If you get stuck, the official solution lands 60 days after delivery.
The three levels
- Level 1Read a radio signal
- Level 2Spot what changes over time
- Level 3Exploit a real encryption mistake
Specifications
| Radio | Bluetooth Low Energy |
|---|---|
| Power | CR2032 coin cell |
| Levels | 3, beginner to advanced |
| You need | A phone, then a computer |
| Soldering | None |
Topics
- BLE
- Radio
- Crypto
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