No, You can not use a signer produced through ED25519 for Ethereum-centered transactions due to the real difference in cryptographic algorithms and essential formats. "To the HashPack team, Local community engagement isn't pretty much passively collecting comments—It can be about co-generation." Now, with the help of the Hedera Local community, https://userbookmark.com/story18431709/examine-this-report-on-hashpack