Overview

Fantom has migrated to the new Sonic chain and its S token. Users holding FTM can upgrade to S.

Users

Users holding FTM: If you're a user holding FTM wanting to upgrade to the S token, follow the instructions on the Sonic Upgrade Handbook. Users holding app tokens: If you're a user holding an app token on Opera, follow the instructions on the App Token Migration page.

Developers

If you're an Opera app developer wanting to migrate to Sonic, follow the instructions on the App Token Migration page.

Validators

If you run a validator node on Opera and you choose to migrate, please follow these steps:

• Un-delegate your stake first.

• Wait at least 2 epochs (≈15 minutes) before you shut down your node.

• Turn off the node and back up your validator key securely.

Migration Overview

Here is an overview of the migration timeline and associated events:

Event	Period
Sonic launch	December 18, 2024
Migration period	Launch onwards
Two-way swap between FTM and S	December 18, 2024 – March 31, 2025
One-way swap (FTM to S only)	March 31, 2025 onwards

Opera will continue to operate, but all future development focus will shift to Sonic.