Paul Butler personal blog
Smuggling arbitrary data through an emoji
With ZWJ (Zero Width Joiner) sequences you could in theory encode an unlimited amount of data in a single emoji.
- Points
- 769
- HN comments
- 195
- Submissions
- 1
- Cited by
- 3 commenters
Security & PrivacySoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Feb 12, 2025 | Smuggling arbitrary data through an emoji by paulgb | 769 | 195 |
Cited in comments
Linked from 3 Hacker News comments by 3 different people, from May 2025 to Sep 2025.
Most recent:
- thesz · Sep 12, 2025
- sureglymop · Jun 24, 2025
- eGQjxkKF6fif · May 6, 2025
