The most common and most likely answer to this crossword clue is the 8 letter word ENCIPHER
I've seen this crossword clue in Independent
E
N
C
I
P
H
E
R
More clues leading to the result ENCIPHER
- Scramble as the man blocks pincer movement
- Being timeless, The Prince somehow reveals code
- Byzantine hen price code
- Discover pencil pusher giving away American code
- Two points followed by zero — Convert message to code
- Code 10, not starting, nobody to support
- Disguise prince and he’ll scramble
- With prince, he revised code
- He is wrapped up in prince cracking code
Buddy explains!

The straight part
We know that "Scramble" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scramble = encipher.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ENCIPHER mean?
ENCIPHER verb- To convert plain text into cipher; to encrypt