The meeting log of today's sixth taproot session is up. Thanks to all the participants and to @jfnewbery for hosting! https://bitcoincore.reviews/19953
Bitcoin Optech newsletter #119 is here:
- relays LND security warning
- summarizes LN upfront payments discussion
- describes taproot bech32 addresses thread
- links to proposal for alternate way to secure LN payments
- details the signet PR Review Club
Shellcheck saved me so much time.
Try it in your IDE if dealing with any bash code: https://github.com/koalaman/shellcheck#in-your-editor
Interesting comment from Gregory Maxwell about an additional risk for companies holding large amounts of #bitcoin on their balance sheets. https://bitcointalk.org/index.php?topic=5280898.msg55346592#msg55346592
We are running our first ever survey of current, former, and future Qubes users. We invite you all to lend us 10-15 mins of your time to participate. Help us gather data on user needs to inform how we prioritize and shape the future of Qubes: https://survey.qubes-os.org/index.php?r=survey/index&sid=791682&lang=en
New EFF job in the house! If you're a web dev and want to do good in the world, please apply: https://www.eff.org/opportunities/jobs/web-developer
Note that this has a good chance of being a remote-friendly job.
And here is the September edition. Enjoy!
Bitcoin Optech newsletter #117 is here:
- describes a compiler bug that casts doubt on the safety of secure systems
- explains a technique that can be used to more efficiently verify ECDSA signatures in Bitcoin
- popular Q&A from the Bitcoin StackExchange
Interesting proposal for a new fee-bumping mechanism: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2020-September/018168.html
Haven't read the mailing list responses, but bitcoin-optech has a nice quick summary: https://bitcoinops.org/en/newsletters/2020/09/23/
It seems to me that this mechanism is a little worse for privacy (it will publicly link UTXOs that are otherwise potentially unlinked), but this seems to be a small consideration. Probably worth that risk in many use-cases, if it mitigates tx-pinning attacks.
Bitcoin Optech newsletter #116 is here:
- describes proposed soft fork for a new type of fee bumping
- summarizes research into scripts that cannot be spent since they require satisfying both timelocks and heightlocks
- updates to services/client software
A well written article on the extremely disappointing situation with Mozilla:
Bitcoin Optech newsletter #115 is here:
- recommends checking for nodes vulnerable to the InvDoS attack
- describes the InvDoS attack
- summarizes "Stealing onchain fees from LN HTLC" attack
- links to announcement of the Crypto Open Patent Alliance
We are proud to announce we've taken our defensive patent strategy, originally established in 2016, one step further by joining @sqcrypto in the Cryptocurrency Open Patent Alliance. We’ll be committing all of our existing patents to COPA. 🌐 https://blockstream.com/2020/09/11/en-defending-bitcoin-innovation/
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