$ cat cards/mostafa-mohamed-golden-egy-11/faq/trading-faq-58.md
Can I swap cards across different device accounts?
card: Mostafa Mohamed golden_EGY-11 · category: trading
[Concise Summary]
Yes, the companion supports sharing duplicate strings across different browsers and devices via copy-paste actions.
[Structured Data Grid]
| Cross-Device Sync | Manual copy-paste string |
| State Serialization format | Compressed JSON string |
| Data Safety Class | Sovereign client-only |
| Account Requirement | None |
Detailed Investigation & Analysis
Checklist progress is stored locally, but you can export duplicate codes to sync binders. Paste checklist strings inside companion tools to sync progress across mobile and desktop.
Additional notes for collectors: Ensure checklist entries are verified before confirming trades. Standard trade ratios are calculated relative to card popularity.
[Album Context Specs]
| Card Code | golden_EGY-11 |
| Official Name | Mostafa Mohamed golden_EGY-11 |
| Estimated Value | $4.81 USD |
| Album Section | Egypt |
| Completion Mode | Optional Special Insert |