Ankr Staking introduces Eth2 futures (fETH)

ANKR | 02.23| 14

In addition to our aETH token, Ankr Staking has now added a second synthetic liquid Eth2 asset to our Staking system: fETH (Eth2 futures)

ETH stakers in Ankr Staking can now choose between the aETH and fETH liquid assets to redeem. In the end, both assets represent staked ETH + rewards, but in a slightly different way.

What is fETH?

Basically where aETH represents your staked ETH plus future rewards, so as time passes, 1 aETH becomes increasingly more valuable vs 1 ETH, fETH remains pegged at a 1:1 ratio with ETH.

Instead of the rewards being added to the token value, holders of fETH have their total fETH increase on a daily basis, once they hold their own fETH tokens in their own wallet.


  • aETH is the reward bearing bond asset for liquid Eth2 staking
  • fETH is the futures asset for liquid Eth2 staking

How does this work?

When a user receives their fETH, they are allocated a percentage of the total supply according to how much they staked. It is important to understand that it’s expressed as a percentage rather than a fixed amount.

Every day, Ankr Staking receives ETH rewards into the fETH Eth2 staking pool and this is used to increase the total supply of fETH by the amount received.

By increasing the total supply, all fETH holders then have their total token allocation increased automatically because they hold a percentage (and because the total went up, so does the amount they hold!).

For example:

  • The total pool size is 9,900 ETH which means total supply of fETH is also 9,900
  • Joe stakes 100 ETH (pushing total supply of fETH to 10,000) and receives a 1% allocation, which gives him an initial balance of 100 fETH.
  • Rebase runs and 100 ETH rewards are added to the pool which pushes total supply of fETH to 10,100
  • Because Joe holds 1% allocation, the amount of fETH in his wallet will increase to 101 fETH automatically

(Note these numbers are just to illustrate the mechanics and aren’t realistic amounts)

How to get fETH?

Easy! Just stake your ETH and then once it has been sent to contract, you can choose whether to redeem aETH or fETH. You can then claim whichever one you choose.

Important: unlike aETH, which gains in value implicitly so doesn’t need to be claimed to enjoy rewards, fETH must be claimed before you will start receiving rewards from your stake.

You just stake as normal, and then when you click on the ‘Claim’ button, you’ll see a new popup that looks like this:

If you select fETH , your fETH will be sent to your connected wallet.

When you’re connected to Ankr Staking you can see your fETH balance alongside your other balances now:

We hope this gives you a good idea of what fETH is and how to obtain it — keep a close eye on our announcements regarding how to use your fETH with further staking opportunities coming soon!

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Ankr Staking introduces Eth2 futures (fETH) was originally published in Ankr on Medium, where people are continuing the conversation by highlighting and responding to this story.

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