Sign & broadcast EIP-7702 delegation transactions — mnemonic or Ledger
Sideload 7702 Unchained from ZKNOX orange
Derives m/44'/60'/0'/0/0 — self-execution: EOA signs both authorization and outer tx.
Self-execution: tx.nonce = N, auth.nonce = N+1.
Open your custom boilerplate app (INS 0x08). Path: m/44'/60'/0'/0/0
Ledger signs the EIP-7702 authorization. A separate relay key wraps it in a type-0x04 tx and broadcasts.
Open your custom boilerplate app (INS 0x08 + 0x09). Path: m/44'/60'/0'/0/0
Self-execution: Ledger signs both the EIP-7702 authorization (INS 0x08) and the outer type-0x04 tx hash (INS 0x09). No relay key needed.