No, You can not use a signer made via ED25519 for Ethereum-based mostly transactions as a consequence of the difference in cryptographic algorithms and key formats. Hedera Hashgraph is often a decentralized application System working with wise contracts and electronic property. HBAR is definitely the indigenous token on the System. https://altbookmark.com/story20090602/5-easy-facts-about-hashpack-wallet-described