CoolWallet's Ethereum (ETH) and Stablecoin staking services have fully resumed as of September 11, 2025.

Your assets remain safely in the staking pool, continuously earning staking rewards without any additional actions from your side.

  • The smart contracts were unaffected by the incident and remain safe to use.
  • All assets staked through Kiln continued to accrue rewards during this period.
Announcement on Ethereum (ETH) and Stablecoin Staking

Incident Summary

On September 8, 2025, CoolWallet’s third-party service provider Kiln and SwissBorg received an alert about a possible unauthorized access to staking wallets, leading to abnormal withdrawals of some Solana assets. SwissBorg and Kiln immediately launched response measures, successfully stopped the irregular activities, and involved cybersecurity partners for resolution. To protect users, Kiln halted all staking transactions, forced validator exits, and conducted thorough chain-by-chain investigations to ensure asset safety and integrity. 

During this time, API performance issues temporarily affected the display on CoolWallet staking pages. To prevent user impact, CoolWallet promptly collaborated with Kiln on investigations and continued to monitor the situation. Services have now fully recovered.

 

FAQs

Q1. Is my staked asset safe through Kiln?

Your asset is fully secure. Our third-party staking provider Kiln has implemented protective measures and activated incident response mechanisms promptly, successfully stopping any abnormal activities.

Q2. Was Kiln’s smart contract affected?

The smart contract was not affected by this incident and remains safe for use. Your staked assets will continue to accrue rewards.

Q3. Are my staked assets still earning rewards during the validator exit period?

Yes, during the validator exit period, your staked assets continue to earn rewards as usual. Once the validators complete exiting, the staking pool will automatically restake all available ETH.

Q4: Do I need to perform any actions on my staked assets during the period of Kiln’s forced validator exits?

No action is required from you. The staking pool will automatically restake any validators that exit.

 

More details can be found on the Kiln official website.

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