← All articles raw_data the unsigned envelope of intent contract ref_block · expiration timestamp · fee_limit Permission_id SHA-256 txID hash of the envelope, fixed before signing signature[ ] 65-byte sig · key A 65-byte sig · key B SIGNS ONE TRANSACTION · TWO PARTS Technology Anatomy of a Signed Transaction PUBLISHED2026-07-03 │ BYTRONORIGIN │ UPDATED 2026-07-16 transaction-structure signatures tapos multi-sig