Who pays withdraw transaction fee?

[tromer]

The fee for a ZoE withdraw transaction is currently paid by the withdrawing party, which breaks privacy.

Instead, these fees should be paid by the contract itself, from the deposited ether. That's not possible in Ethereum today, but EIP 86 would make it possible.

[gancherj]

Vlad asked about this. I think you can get around this leak by calling the
withdraw function from a new pseudonym and sign the address of the account
you want to deposit into.

(edit) Ah, but you have to somehow get ether into the withdrawing pseudonym to call the function in the first place; I see your point.

On Fri, Jul 29, 2016 at 3:27 PM, Eran Tromer [email protected]
wrote:

The fee for a ZoE withdraw transaction is currently paid by the
withdrawing party, which breaks privacy.

Instead, these fees should be paid by the contract itself, from the
deposited ether. That's not possible in Ethereum today, but EIP 86
ethereum/EIPs#86 would make it possible.

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