<blockquote>
  <p>Does bitcoin still concatenate the locking and unlocking scripts</p>
</blockquote>

<p>No. This bug was fixed many years ago. ScriptSig and ScriptPubkey executed separately, not concatenated to each other</p>

CC BY-SA 3.0
2018-04-01T20:03:34.970Z
Does any cryptocurrency still do it besides bitcoin?
John
CC BY-SA 3.0
2018-04-01T20:12:34.643Z
No, but you are welcome to create such bogus coin :) There are millions of bugs you can do yourself and/or find on github
amaclin
CC BY-SA 3.0
2018-04-01T19:58:59.720Z
2018-04-01T19:58:59.720Z
amaclin
<p>Does bitcoin still concatenate the locking and unlocking scripts and execute in order to validate transaction or is validation done another way?</p>

<transactions><script>
Does bitcoin still concatenate the locking and unlocking script and execute?
John
# Does bitcoin still concatenate the locking and unlocking script and execute?

(Asked by: username_0 on 2018-04-01)

Does bitcoin still concatenate the locking and unlocking scripts and execute in order to validate transaction or is validation done another way?

**Tags:** transactions, script


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## 1 answers

### Answer by username_1 on 2018-04-01. Score: 0 | Accepted answer

> Does bitcoin still concatenate the locking and unlocking scripts

No. This bug was fixed many years ago. ScriptSig and ScriptPubkey executed separately, not concatenated to each other

> **Comments:**
> **username_0**: Does any cryptocurrency still do it besides bitcoin?  
> **username_1**: No, but you are welcome to create such bogus coin :) There are millions of bugs you can do yourself and/or find on github  

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