Skip to content

Cryptography

Meet other local people interested in Cryptography: share experiences, inspire and encourage each other! Join a Cryptography group.
pin icon
1,929
members
people1 icon
2
groups

Largest Cryptography groups

Frequently Asked Questions

Yes! Check out cryptography events happening today here. These are in-person gatherings where you can meet fellow enthusiasts and participate in activities right now.

Discover all the cryptography events taking place this week here. Plan ahead and join exciting meetups throughout the week.

Absolutely! Find cryptography events near your location here. Connect with your local community and discover events within your area.

Cryptography Events Near You

Connect with your local Cryptography community

Drunken Philosophy: Where Is Everybody? The Fermi Paradox and the Great Filter
Drunken Philosophy: Where Is Everybody? The Fermi Paradox and the Great Filter
Welcome to Drunken Philosophy, a casual, curious, social discussion club. Come grab a drink and a seat at The Oracle. **Optional topic for this meetup: Where is everybody?** In 1950 the physicist Enrico Fermi was talking about aliens over lunch and asked a question that still has not gone away: if the universe is so vast and so old, and even a fraction of those billions of stars have planets, where is everyone? By the numbers the galaxy should be crowded with civilizations. Instead we look up and hear silence. That gap between "they should be everywhere" and "we see no one" is the Fermi Paradox. One of the most unsettling answers is the idea of a **Great Filter**: somewhere on the road from dead chemistry to a galaxy-spanning civilization, there is at least one step that is almost impossible to get past. Maybe the filter is behind us. Maybe life starting at all, or simple cells becoming complex, or intelligence ever evolving, is the freak accident, and we already cleared the hard part. Or maybe the filter is ahead of us, and advanced civilizations reliably wipe themselves out before they spread. Here is the part that messes with people. If we ever found life somewhere else, even pond scum on Mars, most people would call it the greatest discovery in history. But it might be the worst possible news. It would mean life is common, the early steps are easy, and the hard step is still in front of us. So the eerie silence overhead might actually be the best sign we could ask for. **Questions to wrestle with:** * Is it better to be alone? Would you rather we find alien life and learn we are not special, or find nothing and quietly improve our odds of surviving? * Where do you bet the filter sits, behind us or ahead of us, and why? * If it is ahead of us, what is it? Nuclear war, climate collapse, AI, something we cannot even picture yet? And can we do anything about a filter we cannot see coming? * Two principles pull opposite ways here. The principle of mediocrity (the Copernican principle, Sagan's "no privileged place in the universe") says we are ordinary, so what happened on Earth probably happened everywhere, which makes the silence scream louder. The anthropic principle says of course we find ourselves somewhere life was possible, since we could not observe anything else, so our being here may say almost nothing about how common life is. Which lens do you trust, and does the silence still demand an answer once you account for observer selection? * And if we did confirm life out there and had to accept we are not special, what would that do to belief in a higher power, and would shedding (or keeping) that belief help or hurt our odds of pulling together as one species? * Does any of this change how you live, or how humanity should be spending its time and money right now? As always the prompt is optional. Come for the conversation, stay for the drinks, and bring your own questions.
NSCoder Night
NSCoder Night
We've moved to guild.host Look for us there. https://guild.host/events/buckeye-cocoaheads-nscoders-tcbrk5
Cape Coral Virtual Speed Dating on Zoom
Cape Coral Virtual Speed Dating on Zoom
**πŸ’« Cape Coral Singles Night β€” Speed Dating Over Zoom** Spend an evening meeting Cape Coral singles face to face on Zoom, matched by age and personality before you arrive. **What to expect:** - Register and take a short personality quiz - Jump on Zoom when the event starts - Meet singles in guided one-on-one rounds - Get your mutual matches by email afterward **Pick the age range that fits you:** β†’ **Ages 18-32** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=manga-k-drama-foodie-language-feast-network&ar=18-32&face_v=8.0) β†’ **Ages 30-46** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=manga-k-drama-foodie-language-feast-network&ar=30-46&face_v=8.0) β†’ **Ages 40-58** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=manga-k-drama-foodie-language-feast-network&ar=40-58&face_v=8.0) β†’ **Ages 55+** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=manga-k-drama-foodie-language-feast-network&ar=55+&face_v=8.0) > Important: RSVP is not the same as registering. Use your age link below and complete the quiz to secure a place. Limited capacity. Your next great conversation is one click away. 🌷
Cape Coral Online Speed Dating on Zoom
Cape Coral Online Speed Dating on Zoom
**🌷 Cape Coral Singles Meet on Zoom: Live Speed Dating** Four quick rounds, real conversations, and Cape Coral singles matched to you by age and personality. All from your couch. **The format is simple:** - Register and take a short personality quiz - Jump on Zoom when the event starts - Meet singles in guided one-on-one rounds - Get your mutual matches by email afterward **Choose your group and register:** β†’ **Ages 18-32** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=local-singles-seeking-genuine-connection-brunch-club&ar=18-32&face_v=6.0) β†’ **Ages 30-46** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=local-singles-seeking-genuine-connection-brunch-club&ar=30-46&face_v=6.0) β†’ **Ages 40-58** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=local-singles-seeking-genuine-connection-brunch-club&ar=40-58&face_v=6.0) β†’ **Ages 55+** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Cape%20Coral&groupurlname=local-singles-seeking-genuine-connection-brunch-club&ar=55+&face_v=6.0) > Heads up: an RSVP here does not hold your seat. Register through your age link and finish the quiz. Spots are capped. See you on Zoom, Cape Coral. 😊
St. Petersburg Virtual Speed Dating on Zoom
St. Petersburg Virtual Speed Dating on Zoom
**πŸŒ™ St. Petersburg Singles Night β€” Speed Dating Over Zoom** Hosted Zoom rounds, St. Petersburg singles your speed, and matches sent the next day. Easy as that. **Here's how the night runs:** - Register and take a short personality quiz - Jump on Zoom when the event starts - Meet singles in guided one-on-one rounds - Get your mutual matches by email afterward **Pick the age range that fits you:** β†’ **Ages 18-32** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=St.%20Petersburg&groupurlname=manga-k-drama-foodie-language-feast-network&ar=18-32&face_v=8.0) β†’ **Ages 30-46** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=St.%20Petersburg&groupurlname=manga-k-drama-foodie-language-feast-network&ar=30-46&face_v=8.0) β†’ **Ages 40-58** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=St.%20Petersburg&groupurlname=manga-k-drama-foodie-language-feast-network&ar=40-58&face_v=8.0) β†’ **Ages 55+** β€” [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=St.%20Petersburg&groupurlname=manga-k-drama-foodie-language-feast-network&ar=55+&face_v=8.0) > Important: RSVP is not the same as registering. Use your age link below and complete the quiz to secure a place. Limited capacity. Register, relax, and let the night do the work. πŸ₯‚
The Non-competitive Tennis Partner Program
The Non-competitive Tennis Partner Program
We connect you with up to 30 Men or Women tennis partners close to your PLAYING REGION and skill level. This program is less competitive, no champions crowned, no league standings just dedicated tennis partners who want to meet up with you on the courts. Players will meet up to play a tennis match or just to hit around. Just go through the [Join Page](https://www.tenniscolumbus.com/partner-program) to enter this program. [https://www.tenniscolumbus.com/partner-program](https://www.tenniscolumbus.com/partner-program)
Microsoft Build - Columbus Edition!
Microsoft Build - Columbus Edition!
We are bringing Microsoft Build sessions to Columbus Ohio! The Central Ohio Azure Meetup and Central Ohio .NET Developer's Group (CONDG) are coming together to bring some of the labs and breakouts from Microsoft Build to your backyard. In this free, 1 day event, you are going to Build stuff with us! And yes, there will be free food. Please RSVP via [Microsoft Build //localhost:columbus | Microsoft Reactor](https://developer.microsoft.com/en-us/reactor/events/27247/).