ScriptSig - what am I signing exactly?

ScriptSig - what am I signing exactly?

So the scriptsig field in the transaction, is created with the signature and public key. In order to create the signature, we need the R and S values of a ECDSA signature. I figured how to sign a string with Secp256k1, but I haven't figured out exactly what am I signing.

http://ift.tt/2DJIIjY

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