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Comment by gotoalberto | Hacker News Reader

<<Paper is not clear on how their scripts work because they don't show exact scripts per output.>> You can found more information about contracts and the flags used on Bitcoin Wiki.

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I know how scripts work in general. I mean, it's strange that you display script outside the output. E.g. on page 7 you have two outputs and only one script.

Another remark: what does mean "description message is ciphered"? You mean signed? Because ECDSA does not do encryption (like RSA), only signatures.

<<I mean, it's strange that you display script outside the output. E.g. on page 7 you have 2 outputs and only one script.>> Consideer that this transaction is not been broadcasted to P2P Network. You can storage a valid transaction as this if you add the flags SIGHASH_ALL and SIGHASH_ANYONECANPAY to the transaction.

<<what does mean "description message is ciphered"? You mean signed? Because ECDSA does not do encryption (like RSA), only signatures.>> I'm not sure about your question. ECDSA is a PKI key type, so i believe that it's possible.

Even if ECDSA relies in a PKI, what you do with it is signing and not encryption. The S in ECDSA stands for "signing". Either you don't mean "ciphering" or you mean an EC encryption algorithm (and not ECDSA).

The problem is... why would Lisa cipher her own knowledge with her public key? Only she would be able to decipher with her private key to learn... nothing!

PS: I'm from Madrid too!

Lisa cipher the content to allow the possibility of restore the transaction using external tools. This is only a feature to ensure that the information can be restored.

I see Alberto has already replied you! BTW if you wanna collaborate the whole development process is totally open and you can drop me an email at me AT luisivan DOT net ;)

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