All
Search
Images
Videos
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
11 Cryptographic Methods That Marked History: From the Caesar
…
Jul 3, 2018
interestingengineering.com
5:42
Introduction To Cryptography | Morse Code
491 views
Jul 23, 2021
YouTube
What is Your Hobby?
8:21
The Science of Codes: An Intro to Cryptography
1.2M views
Aug 6, 2015
YouTube
SciShow
10:04
More Secret Codes: A History of Cryptography (Part 2)
40.8K views
Apr 30, 2021
YouTube
The Generalist Papers
22:36
How to Use a Basic Cipher to Encode and Decode a Secret Mes
…
67.9K views
May 12, 2019
YouTube
Andrew Bustamante
12:09
Secret Codes: A History of Cryptography (Part 1)
98.9K views
Apr 3, 2021
YouTube
The Generalist Papers
15 Interesting Ciphers And Secret Codes For Kids To Learn
Jun 7, 2021
momjunction.com
These 13 Secret Codes Can Unlock Hidden Features on Your iPhone o
…
2 weeks ago
pcmag.com
1:42
Create strong, memorable passwords using 'secret code' trick
1 month ago
Microsoft News
KFDX Wichita Falls
4:38
Top 4 Widely Used Codes and Ciphers Throughout The History
30K views
Jul 2, 2020
YouTube
The Git Guild
A secret code is made up of three digits followed bytwo letters. How
…
Jan 31, 2023
numerade.com
How to Use Constrained Writing to Send a Secret Message
374.5K views
6 months ago
wikiHow
wikiHow Staff
12:26
Famous UNCRACKED Codes That STILL Exist!
1.5M views
Aug 9, 2017
YouTube
Origins Explained
0:19
430K views · 1K reactions | Secret code! 樂 #reels #reelsfb #riddle #s
…
338.2K views
1 week ago
Facebook
Lanette and Kurt
3:01
How To Write Secret Codes Using Ciphers!
62K views
May 15, 2020
YouTube
Scope TV
0:46
The Alphabet's Secret Code: How Letters Became Your Friends?
3 weeks ago
YouTube
Ricken
2:01
Secret Codes For Kids |10 Amazing Ciphers To Try
Feb 5, 2023
rediscoveredfamilies.com
Secret Google codes that you can type in to unlock hidden games re
…
Nov 9, 2021
the-sun.com
'Secret code' feature for easy access to locked chats
Oct 11, 2023
Microsoft News
4:42
10 of the most mysterious codes and ciphers in history - BBC Scien
…
Aug 22, 2018
sciencefocus.com
Secret Codes Activity
Feb 20, 2022
twinkl.com.au
15:59
Monoalphabetic Cipher
429.3K views
May 29, 2021
YouTube
Neso Academy
Pirate Secret Code and Decoder
Nov 11, 2015
twinkl.com
0:38
🔍Uncover the mysteries of your Android device and become the m
…
1.2K views
Jul 1, 2023
Facebook
AirDroid
7:03
How to Solve Cryptograms: Easy Tips & Tricks
542.7K views
8 months ago
wikiHow
Juliana Pache
How to Make Your Own Secret Language
466.7K views
4 months ago
wikiHow
wikiHow Staff
Emoji Crack the Secret Code Generator Worksheet
Jul 21, 2017
twinkl.com
3:51
How to Use Secret Codes on SAMSUNG Galaxy S22 Ultra - Ente
…
22.3K views
Mar 9, 2022
YouTube
HardReset.Info
7:15
25 Famously Unsolved Ciphers And Codes That You Won't Be Able To
…
205.6K views
May 9, 2014
YouTube
List 25
2:08
4.4M views · 65K shares | These secret codes let you access hidde
…
4.5M views
1 week ago
Facebook
Insider Tech
See more videos
More like this
Feedback