<p>There is no one advantage to use uncompressed key vs compressed.
So, there is no one place in code where uncompressed key is allowed and compressed key is disallowed</p>

CC BY-SA 3.0
2017-11-15T19:57:35.570Z
https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki#restrictions-on-public-key-type
Ninazu
CC BY-SA 3.0
2017-11-06T15:04:21.913Z
2017-11-06T15:04:21.913Z
amaclin
<p>It is always worthwhile to use compressed keys to save size. Or somewhere in the Bitcoin code, exactly uncompressed keys are needed?</p>

<bitcoin-core><public-key>
Are there any places where should not use compressed public keys?
Ninazu
# Are there any places where should not use compressed public keys?

(Asked by: username_0 on 2017-11-06)

It is always worthwhile to use compressed keys to save size. Or somewhere in the Bitcoin code, exactly uncompressed keys are needed?

**Tags:** bitcoin-core, public-key


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## 1 answers

### Answer by username_1 on 2017-11-06. Score: 1 | Accepted answer

There is no one advantage to use uncompressed key vs compressed.
So, there is no one place in code where uncompressed key is allowed and compressed key is disallowed

> **Comments:**
> **username_0**: https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki#restrictions-on-public-key-type  

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