Bitcoin Core 0.21.0rc2 has been tagged! If you would like to contribute gitian signatures for the first time to test reproducible builds for the release, this guide walks you through it and was just updated for rc2--thanks @gugol for contributing t.co/Fx6yv5c9Vw #Bitcoin

New #bitcoin optech:

bitcoinops.org/en/newsletters/

Covers the new taprootactivation website as well as a new funding organization "Brink", looks kinda interesting.

Is there any other example of a thing which has properties similar to BTC testnet coins? Namely: they’re useful because they’re worthless, if they were worth something, they’d be useless? #bitcoin

Yesterday's bitcoin optech featured an unusual story about something that was always likely to happen - someone losing money due (probably) to unwise decisions in setting up a node with a hot wallet on AWS:

bitcoinops.org/en/newsletters/

#bitcoin

I’m told that many Germans are stockpiling cheese and sausages in anticipation of a COVID lockdown — planning, in other words, for a Wurst-Käse scenario

RT @bitcoinoptech
Bitcoin Optech newsletter #124 is here:

- contains a warning about backdoored VM images
- summarizes notable improvements to clients and services
- announcement of C-Lightning 0.9.2rc1
- notes changes to popular Bitcoin infrastructure software

bitcoinops.org/en/newsletters/

RT @chris_belcher_
This needs retweeting because it hasn't been seen enough. The recent tweet-thread talking about how just ~10% of hashpower can censor txes IS TOTALLY WRONG because it has flawed assumptions. twitter.com/murchandamus/statu

"These machines are the first general purpose computers ever where you have to make an exclusive choice: you can have a fast and efficient machine, or you can have a private one... Short of using an external network filtering device like a travel/vpn router that you can totally control, there will be no way to boot any OS on the new Apple Silicon macs that won’t phone home, and you can’t modify the OS to prevent this."

sneak.berlin/20201112/your-com

RT @bitcoinoptech
Bitcoin Optech newsletter #123 is here:

- shares the announcement of a marketplace for incoming LN channels
- summarizes the 'Add MuHash3072 implementation' Bitcoin Core PR Review Club meeting
- notable changes to popular Bitcoin infrastructure software

bitcoinops.org/en/newsletters/

A topics page for Simplicity is up on Bitcoin Optech now. Thanks to @harding for the extensive review! bitcoinops.org/en/topics/simpl

The developers of Signal are currently doing a user survey:

surveys.signalusers.org/s3

I told them that I really like the app but also that I would like:
a) Signal on @fdroidorg
b) a proper desktop client
c) no data stored in "secure enclaves"

Maybe you'd like to tell them, too?

#freeyourandroid
#freesoftware
#android

RT @bitcoinoptech
Bitcoin Optech newsletter #122 is here:

- summarizes discussion about bi-directional upfront fees for LN
- relays the results of a small survey among experts about their preferences for taproot activation
- updates about various Bitcoin ecosystem projects
bitcoinops.org/en/newsletters/

*by using bitcoin instead of fiats. #bitcoinfixesthis

It's incredible how bitcoin even fixes your back pain... 🤷‍♂️

I'm amazed at how much effort goes into trying to figure out who won the election a few hours or a few days before the official result is calculated (for a inauguration that doesn't happen for 2.5 months).

RT @bitcoinoptech
Bitcoin Optech newsletter #121 is here:

- describes the disclosure of two vulnerabilities in LND
- summarizes popular questions and answers from the Bitcoin StackExchange
- notes changes to popular Bitcoin infrastructure software

bitcoinops.org/en/newsletters/

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