Biosafe resin for Microsd

Projects
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Has anyone here successfully implanted a micro SD card embedded in a bio safe resin?

I have some data that is very important to me. I had a dream that I was being shot at and my city attacked and I had to flee for my life, no bringing a laptop with me assume if I’m captured any phone or wallet will be taken and destroyed.

The data does not change often. I would be okay visiting a piercing shop every 5 years to swap cards out.

What’s my options if I want to have 512gb of storage safely in my body at all times? Ideally some place I could extract myself with a blade and some cursing in an emergency.

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You could always get 3 million FlexSecures installed

Ah, but what are you going to read the SD card with then?

On a more serious note, I don’t see any reason a micro SD card couldn’t be coated like a Flex implant, having no experience on the subject myself of course

But I have to imagine there’s gotta be some better way, cloud storage and a link on a regular NFC implant springs to mind

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To play devil’s advocate in a way, as I’ve considered this myself:

If phone/laptop get destroyed due to a hostile government/etc, what’s the chances the internet is up in the immediate area? Or maybe its just a really bad earthquake that takes an entire area off of the grid abruptly and involuntarily (this has happened in the last week)?

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Just out of curiosity, what sort of data would you want to keep safely on you like that?

I don’t think I have all that much data that I think would help me out in a situation like that

I would understand having data locked away safe and hidden somewhere to guarantee its safety, but I can’t think of much I’d need/want on my person at all times

Which isn’t to say I wouldn’t use a subdermal data storage device of course, just that I don’t see a particular need to invest in custom subdermal cold-storage for long term emergency planning yet, though maybe as this thread unfolds…

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Not to speak for @6thf, but the things that come to mind are:

  • Photocopies of ID like passport, driver’s licence, SSN if applicable (hopefully encrypted)

  • Insurance information (maybe your house got destroyed in the example)

  • Documentation relating to ownership, like title of vehicle, maybe documents on pet registration, paperwork relating to firearms if that’s a concern

  • Photos/evidence of ownership of things like jewelry/TV (insurance purposes)

  • Also in this situation a backup of some family photos would be nice.

  • Who knows, extra space could go to a small 40Gb library of favorite shows, movies, and music

I’d guess this is more of a backup-to-a-backup. Sure, have that safe. But if one was willing to deal with it, a (hopefully encrypted) backup being on your person would be nice.

Another example could be, maybe you’re stuck in another country on vacation and you get robbed of all your stuff. Having some form of ID in digital form would hopefully help you deal with an embassy.

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An SD card installation might need a 4G needle or scalpel. Not every piercing shop has that. Also, once you heal a pocket I don’t think you should open it again every 5 years. Scar tissue can be tough.

Blood can be very slippery, it would be difficult to perform the stunt. You’d need two hands at least.

I think the idea is pretty good for a movie plot, but terrible IRL. :man_astronaut: :movie_camera:
You’d be better off hiding the SD card under fake skin. Maybe even swallowing it would work better than implantation.
Please don’t take it personally! You are at the best place to formulate such thoughts, and please feel free to carry on doing so​:+1::+1:

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In the hand/wrist is a bad idea because of needing two hands to extract. Also I might write off feet because it could impede free movement. You can also more easily lose a foot/arm/hand/ any extremity.

I was thinking the fatty tissue of the inner thigh. I’ve removed a cyst myself there once with a scalpel because I didn’t want to go to a doctor, and it wasn’t THAT painful. Made a damn mess for sure though…

Inner thigh/groin area would be more concealed, naturally as far as you can get from a metal detector, scar more easily explainable, and way less likely to be discovered or left behind in a (survivable) injury.

Maybe swap sides every 5 years, or just do it every 10 so each side gets 20 years storage. And hope SD cards last that long… Perhaps in 5 years there will be a smaller storage device that’s wirelessly readable, but then that may make it (more) wirelessly detectable…

What the data is, I’m not going to elaborate. But it’s between 10 and 500 encrypted GB that I want to be buried with.

There’s people embed ball bearings in their face because they like the look. I think a microSD with important data in the thigh is at least slightly less crazy, but I may be in the minority. I was envisioning there to be some sort of rubberish sterils resin that one could dip a microSD card in, and after a few coats it would be protected from damage. Then sterilize it in alcohol/peroxide before implantation.

I do already have cloud based solutions to preserve this data. and a couple physical ones, but if I had to evacuate during a war with nothing but my own body, I’d rather like to know it’s physically with me.

It’s hard to find a cloud storage solution that is guaranteed to stick around for decades without it being linked to a payment source. And if it was, then that could be used to find and destroy it without my knowledge.

Then again, perhaps decades, it asking too much of a microsd card. The way I’ve kept other data around on decades scale has been by keeping it moving from place to place every few years.

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Most SD memory will bitrot well before that. Your first challenge is finding SD memory that is high enough quality that it won’t degrade after 10 years. After that we can discuss encapsulation. I’m pretty sure an ad card could be encapsulated using our standard flex biopolymer.

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Yeah, I wouldn’t trust anything over 5 years, and that’s kinda stretching it. Could probably use a special filesystem with a bunch of parity checks, not sure if there’s one made for this type of use case. It would also cut the storage size by a ton

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Dumb low tech idea, but burying an encrypted waterproof drive is a good way to protect the data … Do it at 2 separate locations for redundancy maybe.

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A more practicable alternative would be to encrypt the data and upload it somewhere. Google Drive, DropBox etc.
Then you store the encryption key (and maybe links to the encrypted archive) on one or multiple implants.
That way you can use off the shelf implants like the xDF2 / xDF3 or even the xNT. That way, you can even update the data without causing a mess every time

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I haven’t seen this part asked or considered

Let’s say you find a good microsd
You get it encapsulated in biocompatible resin
You have it implanted
One time skip later
You have it cut out either professionally or yourself

In order to USE said card you’re going to have to remove the encapsulation, what are the chances you do this without breaking it the card? Does it require tools or chemicals that are not readily available?

Probably depends a LOT on what kind is used… if @amal used the stuff he normally uses for flex’s… you could maybe cut or split that relatively easily but there are limitations on what he encapsulate with his method

But if you used something like what they used for the pegleg an actual liquid resin… that might bond pretty good to the card… you might yank some on the contacts off etc

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Indeed the apex flex based on the P71 has a 50 year data retention period so bits won’t rot for 50 years. Other implants like the ntag216 have a 10 year retention. Not sure about the desfire but if I had to guess it would probably be similar to the P71… greater than 10 years would be my guess.

The biopolymer would be easy to remove and you would simply insert the card. The biopoly won’t adhere to the actual sd card at all so just like a vacuum pack, you cut around it and it will fall right out. Resin would have an adhesion problem, but you could likely spray a type of release onto the SD card first before encapsulating in resin. I don’t have any data on this though. The release agent itself might damage the SD card over time.

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According to the shop page, the Desfires are both 25years and 500k writes.

With cloud storage available from multiple companies, even for free, using that to store the encrypted data is probably the most practical way.
If you upload the archive to multiple services and maybe use 2 implants for links and keys, this will beat any microSD in terms of reliability.

You could add a simple password protection (keys in case of desfire) to the implants in order to prevent others getting your data without your consent

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In 2023 i made a working proof of concept from off the shelf parts. But it is subject to all the faults described above

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Wanna implant it?

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hahaha naw…lmao. maybe the v2… lol

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I want to implant all the things…

But I’d still prefer something that’s better finished than two boards cobbled together.

:robot_cyborg: :sweat_smile:

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Cobbled!? My good sir/madam. These are fashioned with only the finest hot glue money can buy.

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In reality it would be possible to make all of this into a single board that you then soldered the MicroSD directly to like a smt component… could be very small and efficient… qi receiver, wifi file access and coil all in a single PCB

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