Jon Atack

@jonatack

bitcoin core developer and protocol research

Vrijeme pridruživanja: kolovoz 2009.

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  1. Prikvačeni tweet
    15. sij 2017.

    Ship the future so fast they can't ban it.

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  2. proslijedio/la je Tweet
    2. velj

    Wednesday's meeting is on #18044: Use wtxid for transaction relay (mempool, p2p) by . Come discuss wtxids, tx relay/delay, AlreadyHave(), rolling bloom filters, mempool, orphans/rejects/confirmed txns, mapRelay and more with hosting

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  3. 2. velj

    running

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  4. 2. velj

    “It may have passed people by but I think gmax found something very dangerous here...”

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  5. proslijedio/la je Tweet
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  6. proslijedio/la je Tweet
    1. velj

    What's something you really wish existed in the Bitcoin space, that doesn't exist today?

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  7. 31. sij
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  8. 30. sij

    rebase tiiiime, a rebase for you, a rebase for me, everyone gets a rebase today

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  9. 29. sij

    . I have no idea how you succeed in doing 36-hour up to 5-day fasts 🙌

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  10. 29. sij

    Just finished fasting for 24 hours 🔥

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  11. proslijedio/la je Tweet
    29. sij
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  12. proslijedio/la je Tweet
    29. sij

    Bitcoin Optech newsletter #82 is here: - announces LND 0.9.0-beta - asks for help testing Bitcoin Core 0.19.1rc1 - describes proposal to break linkability between UTXOs and unannounced LN channels - summarizes a SIGHASH_ANYPREVOUTANYSCRIPT sighash change

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  13. 29. sij

    Happy to see this merged. It’s a first step toward resisting Erebus attacks and diversifying network connections using ASN mapping for IP bucketing in addrman. See for more.

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  14. proslijedio/la je Tweet
    29. sij

    I wrote a guide to taproot using btcdeb: — feedback welcome!

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  15. proslijedio/la je Tweet
    29. sij

    People don't seem to fully realize this, but if two+ people have private keys x_1 and x_2, and they create a Taproot output for Q = P + <script tweak>, where P = (x_1+x_2)G, they can totally make signatures and combine them to spend that, without showing x_1 or x_2 to each other.

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  16. proslijedio/la je Tweet
    28. sij

    I had lots of fun doing this. Hope you all enjoy listening!

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  17. proslijedio/la je Tweet
    28. sij

    We're looking into finding a venue with larger capacity (50+) for next week's meetups with Andrew Poelstra, and the Socratic w/ . If anyone could help with either a venue or sponsorship please get in touch.

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  18. proslijedio/la je Tweet
    28. sij

    I finally put up a website for Polar. This should make it easier for devs to find and download the app.

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  19. proslijedio/la je Tweet
    28. sij

    Using the latest version of the taproot branch, you can now reconstruct parts of the taproot commitment (the tagged hash values). Note that I am reversing the output at the bottom! These are presented as 256-bit hashes, and those tend to be displayed *big endian*!

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  20. 28. sij

    11:13 <gmaxwell> I give up, it's too hard to find examples of _this_ vulnerability because I keep finding other ones that I need to report.

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  21. 28. sij

    11:11 <gmaxwell> I was particuarly horrified by a bunch of the rust crates I bumped into, which looked like bad machine generated C code fed into a food processor before being machine transformed into rust.

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