# K5 uses a different key or method and adds little to K4.

> Still possible: K5 uses a different key or method and adds little to K4.

Source: https://mysteriesdept.com/mysteries/kryptos/answers/ANS0D7HTG3R0HFP/k5-uses-a-different-key-or-method-and-adds-little-to-k4  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Questions](https://mysteriesdept.com/questions)[Kryptos](https://mysteriesdept.com/mysteries/kryptos)[What is K5 and will it be released?](https://mysteriesdept.com/mysteries/kryptos/questions/QST0D7HT8HJ3Z98/what-is-k5-and-will-it-be-released)Answer

Answer · Kryptos

# K5 uses a different key or method and adds little to K4.

K5 uses a different key or method and adds little to K4.

**Still possible** Answers **1** questionDeduced0

## Where it stands

**Still possible** Its tests haven't settled it: one piece of evidence for, none against. It needs two reviews to be accepted.

## What it predicts

- K5's statistics differ from K4's.

## What would rule it out

- K5 shares ciphertext with K4 at matching positions.

## Evidence 1 for · none against

[The auction listed K5 as a 1988 'alternate K4 plain text and coding chart', which could mean a separate chart.](https://mysteriesdept.com/mysteries/kryptos/evidence/EVD0D7HTGBJ4HD3/the-auction-listed-k5-as-a-1988-alternate-k4-plain-text-and)

Speculative

FOR

## The questions it answers

[What is K5 and will it be released?](https://mysteriesdept.com/mysteries/kryptos/questions/QST0D7HT8HJ3Z98/what-is-k5-and-will-it-be-released)

Part of [Is K4 solved, known but withheld, or open?](https://mysteriesdept.com/mysteries/kryptos/questions/QST0D7HT7T41TBW/is-k4-solved-known-but-withheld-or-open)

Open3 answers, none ahead

## Cite it

```
Mysteries Department. (2026). K5 uses a different key or method and adds little to K4. [Answer ANS0D7HTG3R0HFP]. https://mysteriesdept.com/r/ANS0D7HTG3R0HFP
```

Key

**ANS** 0D7HTG3R0HFP

Kind

Answer · hypothesis

Origin

Deduced

Version

1

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/ANS0D7HTG3R0HFP)