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BitcoinMRE: Bitcoin wallet / PSBT signing app for Mediatek MRE RTOS (e.g. Nokia)github.com/BitcoinComfy/BitcoinMRE
707 sats \ 6 comments \ @cointastical 12 Oct 2022 bitcoin
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25 sats \ 0 replies \ @rijndael 13 Oct 2022
Oh hell yes. I’m gonna go buy a Nokia phone on eBay just to play with this.
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25 sats \ 0 replies \ @random_ 12 Oct 2022
The real takeaway:
A Nokia 5310 2020 is sold for 15/20$, it has a keyboard, a screen, a SD card reader, a camera and it can run C code.
This is awesome. Reminds me of these cheap computers you could buy and have a NAS.
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25 sats \ 1 reply \ @faithandcredit 12 Oct 2022
MRE = Meal Ready To Eat?
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0 sats \ 0 replies \ @cointastical OP 13 Oct 2022
Sorry, due to SN's length limit on the title, I had to cut off part of the actual title:
Bitcoin wallet / PSBT signing app for Mediatek MRE RTOS (e.g. Nokia Series 30+)
So MRE refers to Mediatek MRE real time operating system (RTOS), with MRE being the acronym for MAUI Runtime Environment.
Many S30+ devices only support MAUI Runtime Environment (MRE), developed by MediaTek, but some later devices have included support for J2ME applications.
https://en.wikipedia.org/wiki/Series_30%2B
MRE has been deprecated and removed from the internet by Mediatek.
https://answers.microsoft.com/en-us/mobiledevices/forum/all/nokia-s30-development-signing-support-in-mre/25c9ad93-644d-4543-9c0d-f539aad27c59
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25 sats \ 1 reply \ @nerd2ninja 12 Oct 2022
Okay, and then like...text the PBST file to someone to transmit it for you? I have Manchakura in mind reading through this
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15 sats \ 0 replies \ @cointastical OP 12 Oct 2022
So does Machankura!
I am delighted to see someone working on a Bitcoin wallet/signing device that can work on feature phones.
Let's complete the puzzle!
[Meme gif]
https://twitter.com/Machankura8333/status/1580088876953391104 [Nitter]
Could be useful? Any suggestion? I plan adding capabilities to send BTC transactions via SMS:
  • ECDH over SMS for secure channel
  • Fetch UTXOs info over SMS
  • Create and sign a TX
  • Broadcast the TX via SMS And it's obviously fully non-custodial.
https://twitter.com/BitcoinComfy/status/1580073612127522816 [Nitter]
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