Also, as a maintainer you're used to hearing your project being criticized all the time, because people usually only take the time to mail you when they're facing a problem they can't solve.

Sometimes, just sometimes, someone will send you a short, sweet mail saying "Hey, I'm using this and it's great. Thank you for making this!".

Be that kind of positivity in life! ❤️

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Bitcoin Optech newsletter #110 is here:

- summarizes discussion of SIGHASH_ANYPREVOUT and eltoo
- includes report showing how 57k BTC of fees could've been saved using segwit & batching
- summary of the 'Implement ADDRv2 support' PR Review Club meeting

What fascinates me about seemingly retro tech is the dream of having these tools be feasible in the human realm. People like us can use them and make them, without having to form a company, without business plans and lawyers and project managers. The web browser project is so big, so monstrous, it needs hundreds of people to get right, to implement all the features, because we kept adding them and adding them, letting corporations out-organize us.

Blackmail scam 

RT @stephanlivera
SLP199 ThomasV & Ghost43 of @ElectrumWallet

We chat:
- Lightning
- Multisignature
- Multisig standards?
- Electrum Servers
- UX
- Contributions
- Backup seeds

This one's for the #Bitcoin power users!

Looking forward to hear from Sergey Kotljar in an hour and a half. CEO of Bitrefill, a company that's been doing great work in Bitcoin for years. Sergey usually has some interesting thoughts to share:

#bitcoin #vr

has anyone here ever used the bitcoind wallet option -zapwallettxes?
there is discussion of (re)moving it

Bitcoin Core v0.20.1 released

- This minor release includes various bug fixes and performance
improvements, as well as updated translations.


RT @matt_odell
Spent the morning building this out with @DennisReimann.


If you are working on a bitcoin project and currently accepting donations: submit a PR and get yourself added.

If you are a bitcoiner: please consider supporting our builders!

In my third Mempool Observation, I describe and use a methodology to identify Blockchain wallet transactions, derive wallet-usage insights, and discuss potential wallet privacy improvements.

Europeans' out of offices are like "I will not be working until 18 September. All emails will be automatically deleted."

Americans: "I am in the hospital. Email responses may be delayed by up to 30 mins. Sorry for the inconvenience! If urgent, please reach me in the ER at..."

— @.LeannaO /37

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As of this merge, Joinmarket is using python-bitcointx as its bitcoin code backend, supports PSBT and BIP78 Payjoin (well, I tested it with real coins against btcpayserver so .. I think so!) and even has some (currently not activated) SNICKER code.

Heads up that this is a "breaking" change in that if you pull from master you will need to rerun the installation script.

#bitcoin #joinmarket

So BIP78 has been merged (no, don't ask me what that means!) and even has a test vector:

It's interesting how much debate there was about tiny subtleties of fee choice and restriction, and what each side checks - even the most trivial 2 party protocol can be hugely complex with interactivity.

#bitcoin #payjoin

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