1

Anyone knows what does it mean when there is no ScriptSig under INPUT SCRIPT for a TX?

See here:

https://i.imgur.com/TCHFUfV.jpg

Thanks!

  • It would help to see the raw transaction, then one could use „decoderawtransaction“ and analyze the details... at least on my iPad the imgur image seems to be blank... no hexcodes visible – pebwindkraft Jun 18 '18 at 21:07
2

It seems to be a witness transaction according to your screenshot (you can see the same missing scriptSig followed by witness here).

Segwit encodes the signature information slightly differently from the regular script sig, so it will not show up under that heading. A segwit transaction would still contain the information you would traditionally see in the scriptSig, but in the witness section instead.

  • This seems to be the case. Thanks! I also found this website where we can see details regarding segwit trx's [link]blockchair.com blockchain.info is not very segwit friendly. – RobertH Jun 18 '18 at 21:45
-1

If it's a P2SH output and the redeem script is OP_TRUE then it's an anyone-can-spend and you don't have to provide anything in the scriptSig

  • This is not correct. – Anonymous Jun 19 '18 at 4:12
  • @eponymous could you elaborate how it is wrong so I can edit/delete it? – Mike D Jun 19 '18 at 13:05
  • It's explained in the other answer, it has a witness. – Anonymous Jun 19 '18 at 18:29

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