Cryptography
Meet other local people interested in Cryptography: share experiences, inspire and encourage each other! Join a Cryptography group.
34,716
members
44
groups
Largest Cryptography groups
Newest 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 Today
Join in-person Cryptography events happening right now
Systemic & Family Constellations IN-PERSON Full-Day Workshop with Illi Adato
**You are invited to join a deep healing group process that extends beyond us as individuals into the wider 'field' of historical/ancestral influences, where our family's past traumas are seen, acknowledged, and attended to, so that they do not limit our well-being today.**
In these **short videos, our facilitator Illi Adato** explains the key aspects of the Systemic and Family Constellation approach to therapy and healing:
[https://www.facebook.com/LondonFamilyConstellations/videos](https://www.facebook.com/LondonFamilyConstellations/videos)
We shall meet at The Kailash Centre in St. Johns Wood, London NW8 for this month's group session, **open to all**.
Issue Holder and Representative spaces are available:
**For Representative (Participant) Booking £45:**
**[https://calendly.com/illiadato/in-person-constellations-representative](https://calendly.com/illiadato/in-person-constellations-representative)**[ ](https://calendly.com/illiadato/in-person-constellations-representative)
**For Issue Holder (Client) Booking £175:**
If you wish to attend as an Issue Holder at this workshop and have your own Constellation done please email your request to: [ih@londonconstellations.uk](ih@londonconstellations.uk)
**Please Note:** There are limited issue holder spaces available, please book early to avoid disappointment and wait for a confirmation email of your booking.
This workshop provides a perfect opportunity to experience the deep and insightful Systemic Constellations process. A unique and powerful therapeutic method for self-exploration, understanding core behaviors, removing blocks, and reintroducing movement and growth. It is used as a major resource in working through trauma and it can assist in depression treatment.
To read comments from participants in previous workshops click this link [https://bit.ly/33Asprs](https://bit.ly/33Asprs)
**WHAT ARE SYSTEMIC CONSTELLATIONS?**
The Systemic Constellations method is a unique therapeutic process of exploration of the forces that move us in life. Such forces often appear as difficulties or a sense of being 'stuck' in life, affecting our behavior, relationships, career, health/wellbeing, or even financial circumstances. This method provides a three-dimensional ‘map’ of one’s life as it is at present. It is a simple yet powerful way to explore entanglements and blockages in our personal life and in our family history. The method brings awareness and clarity into personal challenges by focusing the client on the root cause of such difficulties. Constellations provide an opening for a positive life shift and present ways for deep healing processes to occur.
**WHAT HAPPENS IN A CONSTELLATION SESSION?**
In Constellations work the ‘client’ is referred to as the ‘Issue Holder’.
The method uses workshop participants as ‘Representatives’ to stand in for key people in the client’s life such as family members, colleagues, partners, ex-partners etc., sometimes ‘abstract’ concepts such as an emotion, country of origin, religion, or destiny are also represented. All participants are invited to take part as Representatives. Workshop participants often report (see reviews: [https://bit.ly/33Asprs](https://bit.ly/33Asprs)) experiencing profound insights into their own lives by simply witnessing the process, regardless of how they choose to take part.
**WHY DOES THIS WORK?**
Scientific research shows that the experiences of your ancestors can determine your behavior today and affect future generations.\*\* Recent scientific research into DNA reveals that a component named epigenetics is embedding the effect of a traumatic experience by altering the genetic structure. It means that some of our behavior patterns can be attributed to traumatic events in your family history. This notion has always been one of the guiding principles of Systemic / Constellations Therapy, a form of work that is dedicated to exposing and dealing with issues emerging from our family system.
Our group provides a **safe space** where deep personal work is done and where maintaining confidentiality and respect for each other's privacy is paramount.
**\*\* DNA research paper and news article links:**
Discover - Grandma's Experiences Leave a Mark on Your Genes [https://bit.ly/3dLwEkK](https://bit.ly/3dLwEkK)
BBC News - "Memories" pass between generations [http://bbc.in/1dNShPe](http://bbc.in/1dNShPe)
**Facilitated by Illi Adato** MA Lon\. Inst\. SQHP\. Crt\(HYP\)\. Crt\(COACH\)\. C\-h\-a\-n\-g\-e\.co\.uk \- Systemic\, Organisational & Family Constellations member of ISCA \| Hypnotherapy Senior Member GHR \(UK\) & IHF \(USA\) \| Tune\-In Counselling \| Advanced NLP Therapeutic Specialist™ \|
Looking forward to another moving encounter!
######
💬**Personal one-to-one counseling** can be combined with group work.
**Book here: [https://calendly.com/illiadato/1st-personal-session](https://calendly.com/illiadato/1st-personal-session)**
**VIDEO COURSES**
📌 Watch anytime \| 📩 Instant access after payment
Find all the videos here:
https://www.meetup.com/london-family-constellations/events/
**Becoming a Bridge - Working with Death As a Key Resource In Constellations** £19
Explore the transformative power of death in Systemic Constellations with Illi Adato in this recorded 1.5-hour video course. Designed for facilitators, practitioners, and those drawn to deep experiential learning, this session offers practical insights into holding space for loss and transition.
**Constellations, Systemic Principles & How They Affect Us - Video Crash Course** £6
Explore the hidden forces shaping your life with this **recorded mini-course** by Illi Adato. Learn the **Orders of Love**, uncover deep-rooted patterns, and experience a guided **HypnoConstellations™** process for personal healing.
Have questions? Reach out: office@londonconstellations.uk
Badminton coaching course for adult beginners on Sundays 12.15pm in Clapham
Improve your badminton skills at the adults badminton coaching course for beginners and improvers on Sundays 12.15pm at the sports hall at La Retraite School in Balham/Clapham.
You need to book your place on our website using a bank card, PayPal, or Apple Pay. Note that we manage bookings and post updates on the booking page on our website, not on meetup: [https://playfit.co.uk/w/badminton/](https://playfit.co.uk/w/badminton/)
If you have any questions or want to block book 3 months at a discounted rate then contact us here:
Whatsapp: [https://wa.me/message/WMVRULBIR7TJA1](https://wa.me/message/WMVRULBIR7TJA1)
Email: [https://playfit.co.uk/w/contact](https://playfit.co.uk/w/contact)
Subscribe to our newsletter to stay informed about our badminton sessions, new locations and get exclusive offers: [https://playfit.co.uk/newsletter](https://playfit.co.uk/newsletter)
FREE BACHATA CLASS & FREE ENTRY AT BAILANDO SUNDAYS - Be at one Regent ST
Kick off your week with music, movement, and great vibes. Come solo or with friends—no partner needed!
**Schedule (This Sunday):**
• 6:00 PM – Free Bachata Taster
• 6:30 PM – Bachata Classes (3 Levels)
• 7:30 PM – Salsa Classes (3 Levels)
• 8:30 PM–23:00 AM – FREE Social Dancing (Salsa, Bachata, a touch of Kiz)
**What to expect:**
• Friendly teachers, clear level splits, and lots of practice time
• Great music and a welcoming crowd for all levels—absolute beginners to improvers
• Central location, easy transport, and good vibes all night
**Why social dancing is good for you:**
Social dancing is a fun workout that boosts your cardio, coordination, and posture—without feeling like “exercise.” It reduces stress, fires up your brain with musical timing and footwork patterns, and improves confidence through gentle challenges and quick wins. Dancing with different partners builds connection, empathy, and communication skills (you literally learn to “listen” with your body). It’s also an incredible way to make friends and feel part of a community—one song at a time.
Good to know:
• No partner or experience required
• Wear comfy shoes, bring water, and arrive a bit early for level check-in
• Classes start right on time—don’t miss your warm-up!
Price: £10 one class £15 two classes
6:00 PM class is FREE intro to bachata
RSVP now so we can plan levels and floor space. See you on the dance floor! 💃🕺
Badminton games session for beginners & improvers on Sundays 1.15pm in Clapham
Gain practical playing experience at the beginners/improvers games sessions on Saturdays 11am at the fantastic sports hall at La Retraite School in Balham/Clapham.
These badminton games sessions are for beginners and improvers who want to play fun and friendly games with other players of a similar ability.
The sessions are 1 hour long, we play on 4 courts with the best Yonex 600 fast plastic shuttlecocks. Just bring your own badminton racquet.
To ensure that we have a stable number of regular players every week, these games sessions must be booked in advance for the quarter.
You need to book your place on our website using a bank card, PayPal, or Apple Pay. Note that we manage bookings and post updates on the booking page on our website, not on meetup: [https://playfit.co.uk/w/badminton/](https://playfit.co.uk/w/badminton/)
If you have any questions or want to block book 3 months at a discounted rate then contact us here:
Whatsapp: [https://wa.me/message/WMVRULBIR7TJA1](https://wa.me/message/WMVRULBIR7TJA1)
Email: [https://playfit.co.uk/w/contact](https://playfit.co.uk/w/contact)
Subscribe to our newsletter to stay informed about our badminton sessions, new locations and get exclusive offers: [https://playfit.co.uk/newsletter](https://playfit.co.uk/newsletter)
London French Language Circle
Ready to practice your French in a relaxed, friendly setting? Join us for our next language circle! This informal session is designed for local learners of all levels—whether you are just starting out with "Bonjour" or looking to polish your conversational skills.
We will have light discussion prompts, fun icebreakers, and plenty of opportunities to chat and connect with fellow language lovers in the neighborhood.
- **Cost:** Completely Free!
- **Refreshments:** Complimentary snacks and drinks will be provided to keep the conversation flowing.
- **What to bring:** Just your curiosity, enthusiasm, and a desire to learn!
Spaces are limited to keep the conversation engaging, so please RSVP to secure your spot. We can't wait to meet you! À bientôt !
Cryptography Events This Week
Discover what is happening in the next few days
2 hours intermediate badminton games session on Sundays 10am in Clapham
Come and play 2 hours of intermediate level badminton with us at the fantastic sports hall at La Retraite Roman Catholic Girls' School in Balham/Clapham, playing with Yonex 600 plastic shuttlecocks on 4 badminton courts.
You need to book your place on our website using a bank card, PayPal, or Apple Pay. Note that we manage bookings and post updates on the booking page on our website, not on meetup: [https://playfit.co.uk/w/badminton/](https://playfit.co.uk/w/badminton/)
If you have any questions or want to block book 3 months at a discounted rate then contact us here:
Whatsapp: [https://wa.me/message/WMVRULBIR7TJA1](https://wa.me/message/WMVRULBIR7TJA1)
Email: [https://playfit.co.uk/w/contact](https://playfit.co.uk/w/contact)
Subscribe to our newsletter to stay informed about our badminton sessions, new locations and get exclusive offers: [https://playfit.co.uk/newsletter](https://playfit.co.uk/newsletter)
🍓🍉🍒✨️Brighton beach ⛱️ Gelato 🍦Walk 🌸 Picnic 🌻🌼
Brighton beach picnic ⛱️
Meeting Point 👉 **11 : 00 am**
**@ the WETHERSPOON PUB**
**The Sun Wharf 50 Tooley St, SE1 2QF**
following Google Maps, which takes you exactly at the meeting point
See below 📌
[https://maps.app.goo.gl/6iQF5EXaNZJvMq4X8](https://maps.app.goo.gl/6iQF5EXaNZJvMq4X8)
What's Happening if you miss the train ?
NO WORRIES !
take next train, we will share our location in the **WhatsApp group**
[https://chat.whatsapp.com/Ic3sYdKCkpPBMhLwX9TAwk?s=cl&p=a&mlu=0&amv=2](https://chat.whatsapp.com/Ic3sYdKCkpPBMhLwX9TAwk?s=cl&p=a&mlu=0&amv=2)
☀️Let's go to the beach-each, let's go get a wave 🙌
They say, what they gonna say 💃🕺
🏊♂️ let's go to the beach ⛱️🍦🍨
they say what they gonna say 🍺🍺
let's go get a wave 🦋🍒🍉
🧺Pack food and a blanket for an afternoon of friendly conversations with like-minded people in a beautiful outdoor setting.
🧺 Whether you'll bring a homemade dish to share (don't forget your reusable utensils!) or just some snacks, come meet new or old friends, bask in the sun, and relax in the heart of London.
**WhatsApp group**
**Follow this link to join my WhatsApp group: [https://chat.whatsapp.com/Ic3sYdKCkpPBMhLwX9TAwk?s=sh&p=a&mlu=0&amv=2](https://chat.whatsapp.com/Ic3sYdKCkpPBMhLwX9TAwk?s=sh&p=a&mlu=0&amv=2)**
Free* SUMMER BBQ at International café
Come and join us for our Church BBQ! 🍔🌭☀️
This week at International Cafe, we’re inviting everyone to join our church and volunteers for free food, friendly conversations, and a relaxed time together.
It’s a great chance to practise speaking English with our English-speaking volunteers, make new friends, and learn more about British culture in a warm and welcoming community. 🇬🇧🤝
Everyone is welcome — whether it’s your first time or you’ve joined us before!
So mark your calendars:
🍽️ Free Food from: 1:00 PM
📍 Address: EC1R 0EA, Inspire at St James Church
🚶 Only 3 minutes’ walk from Farringdon Tube Station
Come hungry and bring a friend — we’d love to see you there! 🎉
Questions? Text Organiser: 07708228436
FREE SUNDAY HIKE - Viaduct, River, Castle & Lavender: A Darent Valley Loop
Looking for a Sunday that feels like a soft slice of summer? Join us for a beautiful 12–15 km loop through the Darent Valley, where riverside paths, rolling green fields, and blooming lavender come together in one of Kent's most charming landscapes.
This valley has been shaped by centuries of life and travel, and you feel it as soon as you step onto the trail. We'll pass beneath the towering arches of the Eynsford Viaduct, a Victorian engineering landmark that has carried trains across the valley since the 1860s. Further along, the route brushes past the historic grounds of Lullingstone Castle, a Tudor manor once visited by Henry VIII and home to the Hart Dyke family for over 500 years.
From there, the path opens into the quiet lanes of Shoreham village and the purple shimmer of the lavender fields drifting across the hillsides.
As we move through meadows, woodlands, and open countryside, the day settles into that easy summer rhythm where everything feels unhurried and lightly golden.
It's the kind of walk where the scenery does the talking: the river winding beside us, the scent of lavender in the warm air, and the countryside unfolding in soft greens and purples — a Sunday that feels sun-warmed, peaceful, and just a little bit dreamy.
We will head to a pub near the station when we finish for a pint or/and lunch.
## 📅 **Event Details**
**Meeting Point:** Eynsford Station (Start / Finish)
**Meeting Time:** 10:15 AM for 10:30 AM sharp start.
**Distance:** approx. 12 to 15 km
**Elevation:** \~300 m approx **Difficulty:**
Moderate **Pace:** Steady
**Estimated Finish:** Around 2 PM
## 🌿 **Route Highlights**
* **Eynsford Viaduct Viewpoint** — one of Kent’s most photogenic spots, especially in summer light.
* **Ancient woodland paths** around Ashen Bank, offering shade and cool forest air.
* **Shoreham Village** — postcard‑perfect with its stone bridge and riverside charm.
* **Darent Valley Path** — peaceful riverside walking with open fields and gentle breezes.
* **Shoreham Lavender Fields** — with sweeping purple rows and great photo opportunities.
* **Lullingstone Country Park** and **Castle** — meadows, woodlands, and a relaxed finish back toward Eynsford.
This is a circular route full of **colour, greenery, and soft summer atmosphere** — the kind of day that feels wrapped in the easy warmth of summer countryside.
## 🎒 **What to Bring**
* Comfortable hiking boots or sturdy shoes
* At least **2L of water**
* Packed snacks
* Sun protection (hat, sunglasses, sunscreen)
* Light layers — summer can still surprise
* Good vibes and your best Sunday‑summer energy
## 📌 **Important Notes**
* **Stay Together:** Please stay with or behind the hike leader to keep the group moving smoothly and regular catch ups.
* **Respect the Area:** Parts of the route pass through the **Kent Downs National Landscape** — please respect wildlife, fields, and local guidelines.
* **Group Rules:** Please read the “About Us” section before joining: [https://www.meetup.com/free-hiking-outdoor-fitness-and-social-activities](https://www.meetup.com/free-hiking-outdoor-fitness-and-social-activities?utm_source=copilot.com%20%22www.meetup.com%22)
* **Safety:** This is a voluntary activity. You are responsible for your own safety and for respecting fellow walkers, wildlife, and the environment. No risk or service is inferred or accepted by the organiser.
📱 **If you’re lost or running late:** 07830 374 629
Open Studios at the Chocolate Factory N16
You're warmly invited to our seasonal Open Studios, to leisurely stroll around our 27 workshops and studios, meet the artists and look at a variety of art and handmade crafts - from painting to photography and from Japanese ceramics to silk screen prints.
My studio (F9 upstairs) will have a selection of colourful new mixed media still-life paintings ( portable and affordable!) as well as the usual large mixed media landscapes and " merchandise"
A lovely pop-up cafe will serve Japanese refreshments
Family and dog-friendly
All welcome, its a nice day out!
Lydia
Join us for a French Conversation and Picnic in Hyde Park!
**Let's enjoy a delightful picnic with French conversation in the heart of London's Hyde Park.**
Bring your favourite French treats, a cosy blanket, and your best French conversation skills. It's a great opportunity to meet new people, practice your language skills, and enjoy the beautiful outdoors.
**What to bring:**
* Food and drinks (French food is welcome but not mandatory)
* Picnic blanket
* Folding camping chair (optional)
* Tablecloth, napkins, disposable utensils, plates, and glasses
* Cork opener
* Recycling and garbage bags
* Outdoor games (optional)
Please note that the number of attendees listed here might not reflect the actual number of participants, as the event is also advertised on other platforms.
Also, on the day of the event, if the weather forecast announces torrential rain, we will go to a café or pub. So please check the event status before coming.
**Let's make this a memorable French picnic!**
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
Stop Guessing: How to Measure and Improve LLM Outputs
Most people use LLMs by feel: ask a question, read the answer, decide whether it “seems good,” and move on.
That works for casual use. It does not work when you are building software, automating workflows, writing important documents, or relying on AI for anything that needs to be repeatable.
In this talk, we’ll look at how to improve and evaluate the inputs and outputs of LLMs using practical measurement techniques. We’ll cover how prompt changes affect results, how to compare outputs, how to build simple evaluation sets, and how math-based methods like similarity scoring can help you move beyond guesswork.
This will be beginner-friendly, so even if you don't know anything about AI, you should get something out of it. However, this will be a little more technical than our intro talks. You do not need to be an AI researcher, but programmers and technically curious attendees will get a lot out of it.
We’ll cover:
* Why “it looks good” is not enough
* How to improve prompts by changing the input, context, and constraints
* How to compare LLM outputs more systematically
* Basic evaluation techniques for accuracy, consistency, and usefulness
* How embeddings, cosine similarity, and scoring can help evaluate results
* Where automated evaluation works — and where humans still need to stay in the loop
By the end, you’ll have a practical mental model for treating LLMs less like magic and more like systems you can test, measure, and improve.
LOGISTICS AND PARKING:
The talk starts at 7:00 PM. The first half hour is reserved for everyone to get set up and mingle. Free pizza and drinks!
The cheapest parking option is to find street parking, which will only cost you a few bucks. Otherwise, park in the nearby veteran's museum lot for $8. It's highly recommended you avoid the nearby $15 garage parking.
Directing and Lighting Your Shoot
**Don’t miss your opportunity to learn from a duo with over 16 years of experience combined. During this demonstration event, you can expect to learn how to direct and guide your creative vision through lighting and communication to your model. We guarantee you will leave this event feeling more confident to try new lighting set ups to match up with your anticipated outcome. Finding the right way to express your vision is key to getting your model to pose accordingly, so we got you there too! To take this even further, think about signing up for a tutorial spot following the demonstration.**
***Note: this is a demonstration event only, you will not shoot your own images. However, if you bring your camera we can test it for compatibility with the studio lights.***
**Following the demonstration will be a tutorial/coaching event - sign up separately if you are interested at**
https://calendar.app.google/ZcHb4CQB2rrV3U7j9
**Save and book both for $199 (discounted from $215; the discount will be applied on the Tutorial invoice).**
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
Azure CBUS July
Want to be a speaker? submit your talk to our Call for Presenters!!!
https://sessionize.com/azure-cbus-2026/
IxDA Chat n Pancakes
You can sleep in on the Semiquincentennial (observed), we’re shifting to the following Friday.
But join the local UX community for a chat and some biscuits to catch up. If you were in CA for Figma Config, tell us all the lines and you can tell me how I can animate an SVG without coding it by hand, and why I’d even want to.
Thanks to the team at Nationwide of supporting the group.





























