This incident has been resolved.
The migration of ZEN from Layer 1 Horizen blockchain to an ERC-20 token on Base is now complete. Send/receive/trading of ZEN on Coinbase.com and the mobile app will be re-enabled on 28 July 2025.
As previously announced, Horizen is transitioning from a Layer 1 Horizen blockchain to an ERC-20 token on Base.
- This upgrade is expected to occur on July 23, 2025
- Send/receive/trading for ZEN will be temporarily disabled between July 16 and July 25
- Existing limit orders may be cancelled, but new orders cannot be placed until trading resumes
- Please refrain from depositing ZEN during this time
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