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(EthereumTransaction, EthereumAccount) -> Data
Generate a cryptographically signed raw transaction payload using a private key accessed through a secure key storage protocol.
Problem it solves
Transferring assets and executing state transitions on a ledger requires cryptographic proof of authority without exposing raw keys.
Consumes
Emits
The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.