Cryptography
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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 Today
Join in-person Cryptography events happening right now
Share a book, meet a friend
We are going to talk about the books we readβany books, from any genre. Whether itβs fiction or nonfiction, classic literature or something modern, everyone is welcome to share their thoughts, impressions, and favorite passages. Itβs a relaxed and friendly conversation where we can discover new ideas and enjoy each otherβs perspectives.
Introduction to Japanese Calligraphy
ποΈLearn the elegant art of JapaneseποΈCalligraphy in a single, focused project!
π**Registration** is **Online Only** at: https://portal.nova-labs.org/event-6658078 ***(No drop-ins accepted.)***
π**When:** Sunday, 31 May 2026, 10:30 AM - 12:00 PM
π**Where:** Nova Labs, 3850 Jermantown Rd, Fairfax, VA 22030
**Details:** Learn the elegant art of Japanese Calligraphy in a single, focused project! We'll teach you how to properly use and care for the tools. By the end of class, you will create a beautiful, inspirational Japanese word on Hanshi paper to display proudly in your home. Start your calligraphy journey today!
This class includes the Brushes that you'll need in this class so you can keep practicing on your own!
Children are welcome, but registration is required. Any child under 12 must be registered and attend with a parent or guardian.
β οΈ HOW TO REGISTER
An RSVP on Meetup does NOT reserve your spot. Please register via the link below to attend. No walk-ins or drop-ins accepted.
π**Registration** is **Online Only** at: https://portal.nova-labs.org/event-6658078
Ages 35 Plus Speed Dating in Washington DC
Use Promo code SPRINGME to receive $5.00 off! Purchase tickets here:
[https://www.prosinthecity.com/event/speed-dating-washington-dc-16104](https://www.prosinthecity.com/event/speed-dating-washington-dc-15387)
Tonight, Professionals in the City is hosting an event for singles age 35 plus. Our Speed Dating Washington DC events are among our most popular singles events so don't miss out!
During Speed Dating Washington DC you'll date for approximately one hour, meeting smart and intriguing members of the opposite sex as you spend a few minutes with each new acquaintance. Meet singles and know right away whom you mutually match with.
After the speed dating, join us for a night of socializing and more interactions. Youβll also be able to spend time with someone you felt you clicked with during one of your speed dates. There will be a cash bar for this eventful evening, so come and meet other single professionals like yourself and have the time of your life!
Then, after the event, use our exclusive online system from home to choose your matches from the people you met at the event. Without disclosing your email address, you'll be able to send messages through our system to anyone who attended. So come to Speed Dating Washington DC and meet that special someone youβve been looking for.
Check in is at 7:00 and the dating begins at 7:20. Please check in at 7:00 so you have a chance to mix and mingle before the dating begins.
Numbers are limited at this event so sign up soon!
Crystal City Commander Night
Come play some casual Commander at Crystal City! Bring your favorite decks for some pickup games, and feel free to bring your trade binders if you'd like!
**We play at 2100 Crystal Drive** in Arlington, VA, 22202, which is a seating area that is right next to We, the Pizza in Crystal City. Detailed directions on how to get there:
**Directions from the Metro:** If you're taking the Metro, exit at Crystal City. When you come up the first set of escalators, turn left to enter the underground shops and then turn left again after a brief walk. Cross the street, enter the next building, and the seating area will be on the left after passing the Minuteman Press Printing and Marketing shop.
**Parking:** If you're driving, garage parking is free after 4 pm. Enter the garage on 2144 Crystal Drive. There will be elevators that take you up to the main level.
If you have any questions, please join our Discord for the most up-to-date information: https://discord.gg/fBUWvrAVMv
Sunday Boardgaming @ Panera
Open gaming at Panera! New players welcome. We have many games on hand or you can bring your own. We are happy to teach or learn one of yours.
Let's Draw and Craft Together!
Come sketch, draw, crochet, paint minis, or work on any other creative project! This is very casualβwhether you are an experienced artist or just starting out, feel free to come and socialize. Bring your sketchbook, tablet, paints, yarn, crochet, or anything else you are working on!
Please bring your own supplies and make sure to leave the area clean when we leave. See you there!
Meaningful Conversation and Coffee - Northside Social Falls Church
**Join us in Falls Church for conversations that go beyond small talk.**
Higher Grounds β Falls Church is where this growing network of gatherings began: a space for thoughtful, authentic dialogue about what matters most. Whether weβre exploring the nature of happiness, the challenges and possibilities of midlife, spirituality, culture, capitalism, parenting, or the role of art and travel in a meaningful life, every conversation is shaped by the people in the room.
Thereβs no set leader or rigid agendaβjust a shared commitment to listen as much as we speak. We start with brief introductions focused on what makes you *you* (not your LinkedIn bio), then dive straight into whatever is on peopleβs minds. The direction of each meetup emerges organically, making every event unique.
MANDATORY: PLEASE REVIEW OUR COMMUNITY GUIDELINES IN THE GROUP DESCRIPTION. Everyone is expected to engage in respectful conversations and listen deeply as well as share. We have a zero tolerance policy of sexual harassment and hate speech.
Come ready to share, reflect, and connect with others in Falls Church who are also seeking deeper conversations.
**Suggested Questions: Life Stages & Transitions**
1. What did you think you'd have figured out by now that you're still completely winging?
2. When did you realize your parents' advice was for a world that no longer exists?
3. What are you finally old enough to stop pretending to care about?
**Suggested Questions: Identity After the Roles**
1. Who are you when nobody needs anything from you?
2. What dream keeps resurfacing even though the "practical" time has passed?
3. How do you handle having the freedom you always said you wanted?
**Suggested Questions: AI & Being Human**
1. What human experiences will AI never truly understand?
2. If machines handled all your have-to's, what would you actually do?
3. What becomes more precious as everything becomes automated?
**Suggested Questions: Belief & Meaning**
1. What certainties have you given up, and what rushed in to fill that space?
2. How has knowing someone who died changed how you live?
3. What do you believe now that would shock your younger self?
**Suggested Questions: The Modern Psyche**
1. What anxiety do you carry that previous generations didn't have?
2. Which of your survival strategies are you ready to retire?
3. What uncomfortable truth about happiness did it take you years to accept?
**Suggested Questions: Work & Purpose**
1. When did you stop believing that your job would complete you?
2. What would you do for work if money and status weren't factors?
3. How has your definition of "making it" changed over the years?
**Suggested Questions: Relationships & Connection**
1. What relationship dynamic do you keep recreating, and why?
2. When did you realize your parents were just people trying their best?
3. What kind of loneliness doesn't go away even when you're with others?
**Suggested Questions: Time & Mortality**
1. What are you running out of time to say or do?
2. How differently do you spend your time knowing it's finite?
3. What will you regret not trying, even if you fail?
**Suggested Questions: Society & Culture**
1. What social convention do you follow even though it makes no sense?
2. Which generation do you understand least, and what might you be missing?
3. What aspect of how we live now will seem insane in 20 years?
**Suggested Questions: Personal Philosophy**
1. What rule for life did you create after learning something the hard way?
2. When did you stop believing that everyone else had it figured out
3. What paradox about life have you learned to live with?
Cryptography Events This Week
Discover what is happening in the next few days
Quads & Doubles Volleyball - Competitive BB+/A
Let's get together to play some competitive quads and doubles volleyball.
**COST**: FREE
**Court Type**: Outdoor grass
**Minimum Skill Requirements**: BB+ (click [here](https://docs.google.com/document/d/1PojSi4qdlRsv1msCHhvpQ43iDc4FfzQwpWCc3kafVMY/mobilebasic) for details)
Attention:
1. This event is **NOT on a first come-first serve** basis and players with higher skill level and players who can bring a net/ball will get priority over others on the wait list.
2. Since skill levels are **self-reported**, some new attendees may not meet the expected level. For doubles, we encourage you to choose a partner you can enjoy the game with, and since this a competitive event, it is okay if you make a strong team and win all the games.
3. Each person must help set up and take down one net, leaving some nets unset for latecomers.
4. Please answer all questions, so it's helpful for us to organize the event.
**Smiley Social documents:**
1. [Group Rules](https://docs.google.com/document/d/1HrG35p_0M08leRvCp8XWG3CMkr_GL928XFabl5T6Dvg)
2. [Smiley Social Volleyball Levels](https://docs.google.com/document/d/1PojSi4qdlRsv1msCHhvpQ43iDc4FfzQwpWCc3kafVMY/edit)
3. [Good doubles partner](https://docs.google.com/document/d/14weEw-P52XKx0P8K2l-ZOFtYU61wmfdkSkopbG5avro/)
4. [Liability Waiver](https://docs.google.com/document/d/1W2mq-7m99lmvd7gdWYaSUFtvVg4UGnzV6koafAbHmco)
Free Sunday Yoga in Arlington - Netherlands carillon
Join us for an hour of relaxing Yoga which.
Cost: Free
Level: Beginners
What we will be doing:
1. This will be an hour long beginners flow yoga class. You are welcome to join if you are experienced or absolute beginner, just being interested is enough. Yoga is for everyone!
2. Through this meetup we will learn some yoga poses, breathing techniques, stretch our body, build strength. More importantly, we will try to learn about our body and find inner peace.
Please:
1. don't get too full before practice but you can always bring snacks.
2. Please be on time, class will start on time.
3. Wear comfy clothes.
4. Bring your own mat or towel, water and YOURSELF.
5. UnRSVP if you can't make it.
Disclaimer:
Please consult with your healthcare provider before beginning any exercise program, including yoga. Yoga involves physical movement and may not be suitable for everyone. It is important to listen to your body and modify poses as needed to accommodate your individual needs and abilities. By participating in this yoga class, you acknowledge that you are responsible for your own safety and well-being, and agree to release the instructor from any liability for injuries or damages that may occur during or after the class
Memento Mori Book Club
**RSVP through [this link](https://partiful.com/e/Icyxq5P4t7WoWKvylAtU?c=isQTIp3I) only!**
Interested in creating community around our shared mortality? Join us every other month for casual chats, guided by our readings, about death, dying, grief, and ultimately, life.
**Current read:** *Before the Coffee Gets Cold* by Toshikazu Kawaguchi
Buy [here](https://bookshop.org/p/books/before-the-coffee-gets-cold-toshikazu-kawaguchi/250205b601b3f7cb?ean=9781335430991&next=t&next=t&affiliate=98269) to support People's Book in Takoma Park, MD.
SRF is offering ONLINE MEDITATIONS in today's climate
PLEASE CHECK THE ONLINE MEDITATION CALENDAR FOR DETAILS OF THESE MORE THAN 50 SERVICES A WEEK- https://onlinemeditation.yogananda.org/calendar/
Tuner @ Regal Gallery Place - 4:10pm show
We're seeing Tuner at the 4:10pm show at Regal Gallery Place. Your host will be in seat F3.
Let's get dinner afterwards.
Dim Sum Brunch in Rockville
Corner Bites
Iβm excited to announce our next culinary outing! We will be heading to Corner Bites in Rockville, MD, to enjoy some authentic Cantonese cuisine.
Corner Bites is a popular dim sum restaurant in Rockville, Maryland, known for its authentic Cantonese cuisine, including classic items like har gow, siu mai, and roast duck, served in a modern setting with order-by-the-menu service rather than carts.
Monthly Culinary Meetup Note:
If you were a previous no show or canceled on the day of when there's a waitlist, you're not guaranteed a seat. - Mellisa
Cocktails & Coloring @ Ballston Market food market, Basement level
Come the whole time or if you just spend 30 minutes. All are welcome.
You are welcome and encouraged to bring your own coloring supplies but, if you don't have any, I will have plenty and am happy to share! (coloring books, colored pencils, and markers).
Part of the mission of this group is to provide us an opportunity to check out AND SUPPORT local businesses. So, please don't bring any outside food/drinks and, while purchasing something isn't at all a REQUIREMENT to participate in the event, I do strongly encourage you to try something from the vendor :)
I look forward to seeing and meeting you there!
***\*\*DISCLAIMER*\*\*** Photos may be taken during the event to be shared here on Meetup so feel free to let me know if you'd like to be excluded from them.
Cryptography Events Near You
Connect with your local Cryptography community
Cocoaheads
We have moved to guild.host. Look us up there.
https://guild.host/events/buckeye-cocoaheads-rcavwd
BeComing Circle Initiates
http://photos2.meetupstatic.com/photos/event/2/a/9/6/600_348310902.jpeg
Instructor - Crow, HPS
Class fee is $30 at the door or approved exchange
RSVP with Advance pay of $25 (discounted) by PayPal on the web or by contacting Enchanted Elements (614) 437-2642.
Reservations made directly to Enchanted Elements will be added to the class list manually not online.
Private Instruction ~ Closed to the Public ~ Initiated Members Only
Please come prepared for ritual.
Blessings ~ Crow
Drunken Philosophy: Are you really who you think you are? What is the "self"?
I have been studying the question of "self" online with Prof. Ellie Anderson and so I thought a prompt on the "self" might be interesting. Full confession: I had Claude create this prompt and I like it, so here goes:
Imagine a thought experiment that merges two classic puzzles:
> You undergo a procedure, performed neuron by neuron, in which every biological component of your brain is replaced with a functionally identical synthetic substitute. At each step, your behavior, memories, and personality remain unchanged. When the last neuron is swapped, is the consciousness experiencing the world still you? And β more pressingly β was there ever a continuous "you" to begin with?
### Questions to Wrestle With
* If consciousness is purely physical, does the *gradual* nature of the replacement matter, or is it equivalent to being destroyed and rebuilt?
* Could there be a "self" without continuity of experience β even moment to moment, while you sleep?
On a more practical level, consider the simpler case first: **hemispherectomy** patients β people who have had an entire cerebral hemisphere surgically removed β often retain a strong sense of personal identity and continuity. This suggests "you" are not rigidly tied to specific physical material. But does that vindicate the synthetic neuron case, or merely show that identity is more *flexible* than we thought β not that it can survive *complete* substrate replacement?
I used Claude so I could get this out today and let everyone have some time to consider it. Hope to see you at the Oracle. Sorry about the location change two weeks ago. That's what I get for trusting local weather predictions!
June 2026 AWS Columbus - Topic to be announced
Topic to be announced.
**THANK YOU** *Franklin University* for hosting our meetup! To learn more about *Franklin University*, please visit their website: https://www.franklin.edu/
**DIRECTIONS**
Franklin University
Fisher Hall
300 E. Main St, Columbus, OH 43215
Map: https://maps.app.goo.gl/jxjBA2hUmS5qrvhq8
Parking is FREE! Please park in Lot C in front of Fisher Hall. See attached map.
NOTE: Map the address only. When mapping with Google Maps it may use the Fisher Hall at OSU, which is NOT correct.
**Want to sponsor the pizza and/or bar tab?**
Please contact me if you would like to sponsor this meetup's pizza and/or bar tab: angelo@mandato.com
Tampa Virtual Speed Dating
**π Tampa Virtual Speed Dating β Hosted on Zoom**
Meet Tampa singles from home in short, hosted one-on-one rounds on Zoom. We match by age and personality.
**Pick your age group and register:**
- **Ages 18-32** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Tampa&groupurlname=find-authentic-connections-through-group-outings&ar=18-32&face_v=2.0)
- **Ages 30-46** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Tampa&groupurlname=find-authentic-connections-through-group-outings&ar=30-46&face_v=2.0)
- **Ages 40-58** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Tampa&groupurlname=find-authentic-connections-through-group-outings&ar=40-58&face_v=2.0)
- **Ages 55+** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Tampa&groupurlname=find-authentic-connections-through-group-outings&ar=55+&face_v=2.0)
**β οΈ Important: RSVP β registration.** To join, pick your age group below and complete the quiz. Capacity is limited.
---
**How It Works**
1. **Register** β Pick your age group above and sign up.
2. **Take the quiz** β Short personality quiz so we can match you well.
3. **Join on Zoom** β Your host will guide you through every round.
4. **Get matches** β Mutual matches sent after the event.
---
β¨ Sign up, take the quiz, and meet Tampa singles tonight. π β¨
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)
Miami Virtual Speed Dating on Zoom
**π«Ά Miami Online Speed Dating on Zoom**
Join from home and meet real Miami singles in guided one-on-one Zoom rounds. Matched by age and personality.
**Register below for your age group:**
- **Ages 18-32** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Miami&groupurlname=find-authentic-connections-through-group-outings&ar=18-32&face_v=2.0)
- **Ages 30-46** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Miami&groupurlname=find-authentic-connections-through-group-outings&ar=30-46&face_v=2.0)
- **Ages 40-58** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Miami&groupurlname=find-authentic-connections-through-group-outings&ar=40-58&face_v=2.0)
- **Ages 55+** β [REGISTER HERE](https://tempodating.com/product?productId=531.0&productType=onlineSpeedDating&city=Miami&groupurlname=find-authentic-connections-through-group-outings&ar=55+&face_v=2.0)
**β οΈ Important: RSVP β registration.** To join, pick your age group below and complete the quiz. Capacity is limited.
---
**How It Works**
1. **Register** β Pick your age group above and sign up.
2. **Take the quiz** β Short personality quiz so we can match you well.
3. **Join on Zoom** β Your host will guide you through every round.
4. **Get matches** β Mutual matches sent after the event.
---
β¨ Your next match is one Zoom call away. π«Ά β¨






























