transaction of bitcoin : satoshi paper

Bitcoin: A Peer-to-Peer Electronic Cash System   by  Satoshi Nakamoto.

1) Transaction

     1). Electronic coin : define as chain of digital signature.

     2). Transfer : adding the end of the coin with

            - signing   1) a hash of the previous transaction.

                2) public key of the next owner.

           - buyer : verify the signature.

Transaction data

   1. Input.

      * Previous tx : a hash of a previous transaction.

       * ScriptSig : the first half of a script.

           - hash of a simplified version of the transaction.

             - cf). Script : a signature + a public key.

  2. Output.

      * ScriptPubKey is the second half of a script.

            - The public key : buyer.

  3. verification.

     * ScriptSig + ScriptPubKey  : prove the transaction was created by the real owner.

Form of transaction data

https://en.bitcoin.it/wiki/Transactions