Clients of the Starcoin Blockchain submit transactions to request updates to the ledger state.

A signed transaction on the blockchain mainly contains:

• Sender address — Account address of the sender of the transaction.
• Sender public key — The public key that corresponds to the private key used to sign the transaction.
• Program — The program is comprised of the following:
  • A Move bytecode transaction script.
  • An optional list of inputs to the script. For a peer-to-peer transaction, the inputs contain the information about the recipient and the amount transferred to the recipient.
  • An optional list of Move bytecode modules to publish.
• Sequence number — An unsigned integer that must be equal to the sequence number stored under the sender’s account.
• Expiration time — The time after which the transaction ceases to be valid.
• Signature — The digital signature of the sender.