Quote from: AlexR12 on December 16, 2017, 05:58:12 AM

Hello!
Could someone explain how and come out of scriptSig script? Of course, scriptSig in not equal concatenate(,). How is this information incorporated into scriptSig?
Thank you!

It's a script.

PUSHDATA opcode
Signature data
PUSHDATA opcode
Public key data

Quote from: AlexR12 on December 19, 2017, 05:06:48 AM

In this input of a transaction

scriptSig: 304502206e21798a42fae0e854281abd38bacd1aeed3ee3738d9e1446618c4571d10
90db022100e2ac980643b0b82c0e88ffdfec6b64e3e6ba35e7ba5fdd7d5d6cc8d25c6b241501

where is the public key?

That is just the signature. The output that it spends is from doesn't require a pubkey because the output script includes the pubkey:

Quote

PUSHDATA(65)
04283338ffd784c1 ... 8af332fe4d8cde20
CHECKSIG

Here is a typical raw scriptsig (https://blockchain.info/tx/f1f1ce5a0411d890ee3c543df2302c2691129e700bb72fed9eac0fff9cc5a0d0):

Quote

48
3045022100b028b2 ... 9f49ad32a3b53e01
21
027ca78d2199b4fb6 ... 929e18f3276062e7