Dave O
@doranchak.bsky.social
Kryptos auction ending in 10 hours. Already sitting at $325,000. Want to own a piece of crypto history?
www.rrauction.com/auctions/lot...
www.rrauction.com/auctions/lot...
The Complete Secrets of Kryptos: Jim Sanborn's Private Archive | RR
Jim Sanborn's original Kryptos archive that reveals the secrets of K4 and the much anticipated K5, plus an afternoon with Sanborn as he p
www.rrauction.com
November 20, 2025 at 1:53 PM
Kryptos auction ending in 10 hours. Already sitting at $325,000. Want to own a piece of crypto history?
www.rrauction.com/auctions/lot...
www.rrauction.com/auctions/lot...
A French engineer got a lot of news coverage for solving the Zodiac Killer case. But what's the real story? Find out in my latest video.
www.youtube.com/watch?v=esXR...
www.youtube.com/watch?v=esXR...
Zodiac: The Obsession
YouTube video by David Oranchak
www.youtube.com
November 12, 2025 at 11:33 AM
A French engineer got a lot of news coverage for solving the Zodiac Killer case. But what's the real story? Find out in my latest video.
www.youtube.com/watch?v=esXR...
www.youtube.com/watch?v=esXR...
Elonka and Klaus discuss some of the world's most fascinating encrypted books! www.youtube.com/watch?v=b5NO...
2025-10-06 | Encrypted Books - Mysteries that Fill Hundreds of Pages
YouTube video by The Book Club of California
www.youtube.com
October 9, 2025 at 8:12 PM
Elonka and Klaus discuss some of the world's most fascinating encrypted books! www.youtube.com/watch?v=b5NO...
Cracking the Queen's Code!
Coming soon to PBS. See George Lasry's talk about how his team achieved this breakthrough: www.youtube.com/watch?v=YRrD...
Coming soon to PBS. See George Lasry's talk about how his team achieved this breakthrough: www.youtube.com/watch?v=YRrD...
October 6, 2025 at 8:32 PM
Cracking the Queen's Code!
Coming soon to PBS. See George Lasry's talk about how his team achieved this breakthrough: www.youtube.com/watch?v=YRrD...
Coming soon to PBS. See George Lasry's talk about how his team achieved this breakthrough: www.youtube.com/watch?v=YRrD...
A young San Francisco cop is gunned down in his patrol car. Days later, the Zodiac claims responsibility—and sends a cipher that could point to a bomb. Can Dr. Garlick decode the bomb code? Or is it a dud?
youtu.be/nM1CM1QPI3E
youtu.be/nM1CM1QPI3E
August 12, 2025 at 10:21 PM
A young San Francisco cop is gunned down in his patrol car. Days later, the Zodiac claims responsibility—and sends a cipher that could point to a bomb. Can Dr. Garlick decode the bomb code? Or is it a dud?
youtu.be/nM1CM1QPI3E
youtu.be/nM1CM1QPI3E
Anyone need a seasoned GIS developer with a TS clearance? Let me know! doranchak@gmail.com
June 9, 2025 at 5:22 PM
Anyone need a seasoned GIS developer with a TS clearance? Let me know! doranchak@gmail.com
Learn how a mysterious 50 year old UFO magazine cipher got cracked!
www.buzzsprout.com/2010144/epis...
www.buzzsprout.com/2010144/epis...
May 1, 2025 at 3:10 PM
Learn how a mysterious 50 year old UFO magazine cipher got cracked!
www.buzzsprout.com/2010144/epis...
www.buzzsprout.com/2010144/epis...
The Zodiac Killer's Z13 cipher has been cracked... or has it? Watch the latest episode and let me know what you think!
www.youtube.com/watch?v=tqwV...
www.youtube.com/watch?v=tqwV...
April 15, 2025 at 7:44 PM
The Zodiac Killer's Z13 cipher has been cracked... or has it? Watch the latest episode and let me know what you think!
www.youtube.com/watch?v=tqwV...
www.youtube.com/watch?v=tqwV...
Zodiac Killer's Z13 Cipher: Solved?
In my latest episode, computer science professor Dr. Ryan Garlick finally shares his unique take on Zodiac's mysterious Z13 cipher. It's sharp. It's logical. Could it be the real answer?
www.youtube.com/watch?v=tqwV...
In my latest episode, computer science professor Dr. Ryan Garlick finally shares his unique take on Zodiac's mysterious Z13 cipher. It's sharp. It's logical. Could it be the real answer?
www.youtube.com/watch?v=tqwV...
Let's Crack Zodiac #23 - Dr Garlick's solution
YouTube video by David Oranchak
www.youtube.com
April 9, 2025 at 2:56 PM
Zodiac Killer's Z13 Cipher: Solved?
In my latest episode, computer science professor Dr. Ryan Garlick finally shares his unique take on Zodiac's mysterious Z13 cipher. It's sharp. It's logical. Could it be the real answer?
www.youtube.com/watch?v=tqwV...
In my latest episode, computer science professor Dr. Ryan Garlick finally shares his unique take on Zodiac's mysterious Z13 cipher. It's sharp. It's logical. Could it be the real answer?
www.youtube.com/watch?v=tqwV...
Uncovered: Letters from the First Zodiac Codebreakers.
Sometimes, ordinary citizens step up to solve crimes. Check out these newly found letters from the first people to solve the Zodiac Killer's notorious ciphers! www.youtube.com/watch?v=cFf_...
Sometimes, ordinary citizens step up to solve crimes. Check out these newly found letters from the first people to solve the Zodiac Killer's notorious ciphers! www.youtube.com/watch?v=cFf_...
March 14, 2025 at 11:53 AM
Uncovered: Letters from the First Zodiac Codebreakers.
Sometimes, ordinary citizens step up to solve crimes. Check out these newly found letters from the first people to solve the Zodiac Killer's notorious ciphers! www.youtube.com/watch?v=cFf_...
Sometimes, ordinary citizens step up to solve crimes. Check out these newly found letters from the first people to solve the Zodiac Killer's notorious ciphers! www.youtube.com/watch?v=cFf_...
56 years ago, ordinary folks Donald & Bettye Harden cracked the Zodiac Killer’s 1st ciphers—before law enforcement! 🔥 Recently, Donald’s letters to historian David Kahn were discovered. 🕵️♂️📝 Learn what they say in my latest YouTube episode! 🎥👇
🔗 www.youtube.com/watch?v=cFf_...
🔗 www.youtube.com/watch?v=cFf_...
Let's Crack Zodiac #22 - Hardens' Letters To Kahn
YouTube video by David Oranchak
www.youtube.com
March 13, 2025 at 12:26 PM
56 years ago, ordinary folks Donald & Bettye Harden cracked the Zodiac Killer’s 1st ciphers—before law enforcement! 🔥 Recently, Donald’s letters to historian David Kahn were discovered. 🕵️♂️📝 Learn what they say in my latest YouTube episode! 🎥👇
🔗 www.youtube.com/watch?v=cFf_...
🔗 www.youtube.com/watch?v=cFf_...
December 19, 2024 at 10:45 PM
Airing this Wednesday on Discovery! 🕵️
December 13, 2024 at 1:40 PM
Airing this Wednesday on Discovery! 🕵️
My new episode!
www.youtube.com/watch?v=dNvd...
Did this TV news anchor crack the Zodiac Case wide open by finding secret messages hidden by his suspect in anagrams?
#zodiackiller #truecrime #ciphers #cryptography #codebreaking
www.youtube.com/watch?v=dNvd...
Did this TV news anchor crack the Zodiac Case wide open by finding secret messages hidden by his suspect in anagrams?
#zodiackiller #truecrime #ciphers #cryptography #codebreaking
Let's Crack Zodiac #21 - Flash in the Anagram Pan
YouTube video by David Oranchak
www.youtube.com
November 15, 2024 at 11:03 PM
My new episode!
www.youtube.com/watch?v=dNvd...
Did this TV news anchor crack the Zodiac Case wide open by finding secret messages hidden by his suspect in anagrams?
#zodiackiller #truecrime #ciphers #cryptography #codebreaking
www.youtube.com/watch?v=dNvd...
Did this TV news anchor crack the Zodiac Case wide open by finding secret messages hidden by his suspect in anagrams?
#zodiackiller #truecrime #ciphers #cryptography #codebreaking
Do these grids link Zodiac to other cases, such as the Unabomber, the Robison family murders, and the Oakland County Child Killer?
Let's examine hidden messages discovered by Zodiac researchers AK Wilks, Zander Kite, and Doug Oswell. Are these secret messages real?
www.youtube.com/watch?v=pn2_...
Let's examine hidden messages discovered by Zodiac researchers AK Wilks, Zander Kite, and Doug Oswell. Are these secret messages real?
www.youtube.com/watch?v=pn2_...
Let's Crack Zodiac #20 - Evidence from Elsewhere
YouTube video by David Oranchak
www.youtube.com
September 14, 2024 at 8:23 PM
Do these grids link Zodiac to other cases, such as the Unabomber, the Robison family murders, and the Oakland County Child Killer?
Let's examine hidden messages discovered by Zodiac researchers AK Wilks, Zander Kite, and Doug Oswell. Are these secret messages real?
www.youtube.com/watch?v=pn2_...
Let's examine hidden messages discovered by Zodiac researchers AK Wilks, Zander Kite, and Doug Oswell. Are these secret messages real?
www.youtube.com/watch?v=pn2_...
Great article from Sam Blake about our solve. Really captures what was going on at the time and the roller coaster experience that it was!
www.linkedin.com/pulse/story-...
www.linkedin.com/pulse/story-...
February 26, 2024 at 12:04 PM
Great article from Sam Blake about our solve. Really captures what was going on at the time and the roller coaster experience that it was!
www.linkedin.com/pulse/story-...
www.linkedin.com/pulse/story-...
January 8, 2024 at 2:17 AM
December 10, 2023 at 12:09 PM
Built a small frog pond... Check out the tadpole progress! https://www.youtube.com/watch?v=bru35mwb8Mg 🐸
June 7, 2023 at 1:17 PM
Built a small frog pond... Check out the tadpole progress! https://www.youtube.com/watch?v=bru35mwb8Mg 🐸
Check out these decipherments of 129-year-old Brazilian telegrams:
https://www.youtube.com/watch?v=FkM6usdGwhI
#history #cryptography #ciphers #brazil
https://www.youtube.com/watch?v=FkM6usdGwhI
#history #cryptography #ciphers #brazil
Let's Crack Historical Ciphers #2: Secret Brazilian Ciphers
In this episode, we unlock some fascinating century-old enciphered secrets from powerful politicians in the Brazilian government in the 19th century.Thanks t...
www.youtube.com
June 6, 2023 at 11:13 AM
Check out these decipherments of 129-year-old Brazilian telegrams:
https://www.youtube.com/watch?v=FkM6usdGwhI
#history #cryptography #ciphers #brazil
https://www.youtube.com/watch?v=FkM6usdGwhI
#history #cryptography #ciphers #brazil
Blue Sky opens wide
Connections soar on the wind
Sharing thoughts and dreams.
Connections soar on the wind
Sharing thoughts and dreams.
June 3, 2023 at 12:24 AM
Blue Sky opens wide
Connections soar on the wind
Sharing thoughts and dreams.
Connections soar on the wind
Sharing thoughts and dreams.