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We all walk a different path to becoming a Bitcoiner, some of us were working in software development and or encryption back in the early noughties, so it would have been a logical step to understand 'it'

Some of us came from a non technical background and found it extremely challenging to get up to speed with everything in this movement if that's the right term

And then there are countless other variables where we have entered this space


Pretty quickly we learn the 'Not your keys Not your coins' and go down the rabbithole of how we are going to secure our sats

This is not going to be a which HWW is best for maybe not obvious reasons apart from, I think it's a stacker's duty to educate themselves in what is the best setup for themThis is not going to be a which HWW is best for maybe not obvious reasons apart from, I think it's a stacker's duty to educate themselves in what is the best setup for them


This is more of a dive into the psychology or philosophical barriers of entry that HWW providers face when entering the market with a new product

The post earlier #1470244 about cryobrick dot com got me thinking...

This looks like a relatively new venture with the premise being that you take a 'feature phone'?? apparently an old nokia type device

These 'brick phones' have 'MediaTek' on them? an old tech that allows it to have a new OS flashed onto it, similar to how some of us have GrapheneOS on a pixel, but the Nokia is designed to be totally offline

It looks like you:It looks like you:

  • flash the OS onto the brick phone (not for beginners)
  • use a wallet like sparrow via xpub
  • create PSBT's same as standard HWW's

From what I can tell there isn't any definitive guides on how to set this up yet, but would you use this now? or wait until there is some battle testing to verify the trustworthyness

Problems I could see arising are:Problems I could see arising are:

  • updates to cryobrick would need a reflash?
  • Potential for mistakes via bootloader etc

The major players in HWW world are Blockstream with their Jade range, which did admit a vulnerability in a prvious firmware release

The choice with Blockstream is, build your own wallet from ground up or pay for the convenience of a ready made unit

Coinkite who make the Coldcard, arguably the best on the market, with the debate on fully open source vs some aspects closed source

Blockstream and Coinkite I would say are generally seen as quite trusted in the Industry, and it has taken years of selling products without major catastrophe's to get to that place

And the I would say perhaps the HWW's not seen as fully acceptable by Stackers, like the Ledger, Trezor and maybe even throw in the Bitbox and is it Bitkey? I'm not 100% with these, some trade off with key sharing or similar

There have been some notable issues with Ledger having database leaks and it just doesn't sit well when your sats are at stake


And last but not least the 'DarthDIY' TailsOS/Electrum/Keypass example https://darthcoin.substack.com/p/build-your-hodl-btc-cold-wallet

It's definitely worth mentioning this because although this isn't a beginner setup, it's certainly worth learning this method

And I would say the cryobrick method is somewhere between this and using a readymade HWW, there is a handset if you like and also there is some technical tinkering needed


It all depends on your abilities and how confident you are in yourself and the product you are using


I'm sure once cryobrick gets up and running and doesn't suffer any major hurdles, we should see some examples of it being used, I'll be looking forward to seeing what absolute weapons of Nokia examples stackers have been hiding away all these years