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Dec 10, 2025

Re-admission of Kiln as a CF Constituent Staking Provider for the CF ETH Staking Reward Rate Index and related indices

The Administrator had previously announced the suspension of Kiln as a CF Constituent Staking Provider for the CF ETH Staking Reward Rate Index, and related indices in the CF Staking Series, following a vulnerability incident impacting a third party.

The indices affected were:

  • CF ETH Staking Reward Rate Percentage
  • CF ETH Staked Return Index - USD
  • CF ETH Staked Return Index – Compounded
  • CF ETH Staked Return Index Blends (90/10)
  • CF ETH Staked Return Index Blends (80/20)
  • CF ETH Staked Return Index Blends (70/30)
  • CF ETH Staked Return Index Blends (60/40)
  • CF ETH Staked Return Index Blends (50/50)

Following a review, the Administrator is satisfied that the performance of Kiln’s Ethereum validators was not compromised. Accordingly, Kiln will be re-admitted as a CF Constituent Staking Provider for the indices above.

Implementation Date

The re-admission of Kiln will take effect at approximately 11:00 a.m. London Time, on December 15th, 2025. 

This process was supervised by the CF Cryptocurrency Index Family Oversight Function.

Questions and complaints

For questions regarding this suspension, please contact: [email protected]. 

To submit a confidential complaint, please email: [email protected].


The information contained within is for educational and informational purposes ONLY. It is not intended nor should it be considered an invitation or inducement to buy or sell any of the underlying instruments cited including but not limited to cryptoassets, financial instruments or any instruments that reference any index provided by CF Benchmarks Ltd. This communication is not intended to persuade or incite you to buy or sell security or securities noted within. Any commentary provided is the opinion of the author and should not be considered a personalised recommendation. Please contact your financial adviser or professional before making an investment decision.


Note: Some of the underlying instruments cited within this material may be restricted to certain customer categories in certain jurisdictions.


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