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Sarah Jamie Lewis

@sarahjamielewis@mastodon.social
mastodon 4.6.0-nightly.2026-04-17

Cryptography and Privacy Researcher. President @ Open Privacy Research Society (@openprivacy@hachyderm.io).

Founder @ Blodeuwedd Labs (@blodeuweddlabs@mastodon.social)

Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch (@cwtch@fosstodon.org)

0 Followers
0 Following
Joined November 22, 2016
website:
https://sarahjamielewis.com/
donate:
https://openprivacy.ca/donate/
cwtch:
icyt7rvdsdci42h6si2ibtwucdmjrlcb2ezkecuagtquiiflbkxf2cqd
email:
sarah@blodeuweddlabs.com

Posts

Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Apr 06, 2026

Camera telescope testing last night, wasn't the best seeing, but I always love a taking a nice photo of Jupiter + moons.

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Open post
In reply to
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Apr 05, 2026
I did some maths, the bird was between 20 and 30km away, assuming a wingspan of around 1.5m - 2m.
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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Apr 05, 2026
Testing out a new telescope camera, chance encountered a bird catching a ride on a thermal.
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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 25, 2026

RE: @sarahjamielewis@mastodon.social

Another example of how the slop permeates everything.

Today while checking out some new metadata resistance papers, I came across one which talks about a project I originated (@cwtch@fosstodon.org) and manages to not only cite the wrong year and paper title, but also attributes the work to "Lewis, Angel and others" in the text or "S. Angel" in the references.

Just why? What is the point in producing slop that looks like a paper? On what planet is that something worth doing?

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mastodon.social

Sarah Jamie Lewis: "I like how the internet has got to the point wher…" - Mastodon

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 23, 2026

"we are cancelling the free open source project tier you've been using for years, to be considered for the replacement tier you will need to post the following statement of partnership on your website about that is focused on how great our new AI features are"

Oh...we're in *that* stage of the hype decline.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 21, 2026

The extent to which core linux projects are laying the groundwork for age verification is very concerning.

I understand why some believe they are compelled to do so, and why others feel that it may be better to implement the most minimal conforming implementation in the hopes of fending off something worse.

But the line must be drawn such that no threat can obligate an OS to collect/store personal information - without that freedom, we face an uphill fight to protect general purpose computing.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 21, 2026

The extent to which core linux projects are laying the groundwork for age verification is very concerning.

I understand why some believe they are compelled to do so, and why others feel that it may be better to implement the most minimal conforming implementation in the hopes of fending off something worse.

But the line must be drawn such that no threat can obligate an OS to collect/store personal information - without that freedom, we face an uphill fight to protect general purpose computing.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 12, 2026

I like how the internet has got to the point where random sites feature fake quotes by me, occasionally regarding research I never did, sometimes while working in positions I've never held.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 11, 2026

Fun conversations attempting to game out the question "to what extent is [an OS mandating data collection] / [mandating OS data collection] related to age legal in Canada?"

- Big difference between the acceptability of applying collection at the point of service of a restricted activity v.s. mandating general collection, even if it stays on device.

- Charter FoE rights likely come into play when it comes to mandating the existence of parental controls, optional or otherwise.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 06, 2026

It's absurd how good running has been for my mood, the knowledge that I am able to cover significant distances at speed has done wonders for my ability to deal with the constant stream of bullshit.

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Mar 02, 2026

In fun legislative news, BC has finally stopped waiting around for the US to modernize, and has gone ahead and adopted permanent DST starting next week!

"Recent actions from the U.S. have shifted how B.C. approaches decisions that merit alignment, including on time zones. Making this change now reflects the current preferences and needs of British Columbians, and helps ensure the province is well-positioned to thrive, even when circumstances across the border evolve."

https://archive.news.gov.bc.ca/releases/news_releases_2024-2028/2026AG0013-000209.htm

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archive.news.gov.bc.ca

Adopting permanent daylight saving time

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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Feb 26, 2026
With all the discussion around detecting when a code repo contains commits authored by an LLM, I think it is important to note commits like the following in Mozilla Firefox from 2 weeks ago: "Bug 2011195 - When an agent commits, don't add itself as author" https://github.com/mozilla-firefox/firefox/commit/71cc24b6a400dbd434e4df37087960d94b764791 I don't think it's a good thing that Mozilla seem to be explicitly encouraging unattributed LLM code in Firefox.
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Open post
Boosted by Greg Bell @ferrix@mastodon.online
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Feb 09, 2026
"we can help you book 4-8 meetings each day!" I don't know how you found my email, but it would appear that you have been gravely misled about the kinds of services that I would find valuable.
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Open post
Boosted by Greg Bell @ferrix@mastodon.online
In reply to
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Jan 11, 2026
More and more when I search every answer I am served is clear generative nonsense. The fact that we can compress petabytes of information into a handful of gigabytes and capture a statistical model sufficient to mimic human conversation on practically any subject is astounding, and interesting, and something I believe is worth deeper research. But I don't see how any ecosystem survives when a population that mimics production becomes a dominant consumer source.
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Boosted by Greg Bell @ferrix@mastodon.online
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Jan 11, 2026
When it became obvious that the primary consumer of bandwidth was corporate web scrapers powering generative models, I started being more selective about what personal projects (/+updates) I made public. Ultimately I have no interest in doing subsidized work in the service of for-profit enterprises; and while there was always an undercurrent, lately the dynamics of the foss ecosystem have radically shifted towards that end. Thinking back to the days when IRC was the main way I shared code.
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Boosted by Greg Bell @ferrix@mastodon.online
In reply to
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Dec 17, 2025
I've spent time this year gaming out other possible strategies with people. Because the question of "no seriously how do we move forward in a world where every single mainstream browser engine is aligned towards making the web worse?" is one of the important ones. The only viable path I can see requires that a collection of organizations/soft-forks commit to co-maintaining a shared base browser fork of firefox (something like the base browser used by Tor for TB and Mullvad)
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Open post
sarahjamielewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
Sarah Jamie Lewis
Sarah Jamie Lewis
@sarahjamielewis@mastodon.social

Cryptography and Privacy Researcher. President @ Open Privacy Research Society ( @ openprivacy ). Founder @ Blodeuwedd Labs ( @ blodeuweddlabs ) Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch ( @ cwtch )

mastodon.social
@sarahjamielewis@mastodon.social · Jul 14, 2025

We ( @openprivacy@hachyderm.io / @cwtch@fosstodon.org ) are looking for a software dev for a short-term contract to tackle a set of Android-related issues for Cwtch.

Specifically we are looking for someone who:

- has experience with flutter (both desktop/android)
- has experience with android / kotlin dev
- is able to work in Canada

Our budget for this is 4800-6000 CAD, and we estimate there is ~1 month of work, with the potential for more down the road.

Please send recommendations/pitches to jobs@openprivacy.ca.

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hachyderm.io

Open Privacy Research Society (@openprivacy@hachyderm.io) - Hachyderm.io

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