From: Zac Mitton <zacmitton22@gmail.com>
To: Tom Harding <tomh@thinlink.com>
Cc: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] Re: Fly Client Proposal
Date: Mon, 4 May 2026 18:34:19 -0400 [thread overview]
Message-ID: <CAOsDwYYw7bfRdfr5AsPWM1WmN7BePrvYDRQ2WRWhNpVcDHeo+A@mail.gmail.com> (raw)
In-Reply-To: <4516f3ab-0715-4dd9-825c-eed4eac3065a@thinlink.com>
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Ok, Let's keep this thread about Flyclient on Bitcoin. The challenges
related to actually getting a soft-fork into bitcoin are best discussed
elsewhere.
If anyone has information related to progress on this,
or implementation ideas please help by posting here or DMing me. I will try
to aggregate.
On Mon, May 4, 2026 at 12:26 PM Tom Harding <tomh@thinlink.com> wrote:
> Zac,
>
> That's probably because the question, and my post, are off-topic. They
> are not about FlyClient, which is not interesting to me because bitcoin's
> header chain is tiny.
>
> Instead they touch on two techniques which would improve on most
> historical implementations of SPV clients by adding protocol support for
> them.
>
> Sorry for the distraction.
>
> Tom
>
>
> On 5/3/26 12:26, Zac Mitton wrote:
>
> Tom I can’t seem to grok the question or your explanation of it. Could you
> spell it out for us in detail?
>
>
> Thanks, Zac
>
> On Sun, May 3, 2026 at 12:58 PM Tom Harding <tomh@thinlink.com> wrote:
>
>> In the linked presentation by Benedict Bünz, it's worth listening to the
>> first audience question/answer. Questioner is spot on that an SPV client
>> polling the network to gain probabilistic confidence of unspentness could
>> easily subsume the task of gaining input inclusion proofs from the network,
>> with no forking change necessary.
>>
>> On Wednesday, April 29, 2026 at 2:03:36 PM UTC-7 Zac Mitton wrote:
>>
>>> Hi, Ive been looking into FlyClient first described here
>>> <https://www.youtube.com/watch?v=BPNs9EVxWrA&t=8386s>. I don't see any
>>> BIPs, or previous discussion in this forum about it either.
>>>
>>> On bitcoin It could allow a light-client to verify the entire work of
>>> the heaviest chain with a single ~100KB proof.
>>>
>>> It can theoretically be done as a soft-fork by injecting a single hash
>>> into the coinbase tx (similar to how segwit is committed to).
>>>
>>> What do you guy's think?
>>>
>>
>>
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prev parent reply other threads:[~2026-05-18 21:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-29 21:00 [bitcoindev] Fly Client Proposal Zac Mitton
2026-04-30 18:52 ` [bitcoindev] " Super Testnet
2026-05-01 8:42 ` Nuh.dev
2026-05-02 19:23 ` Zac Mitton
2026-05-02 21:24 ` Nuh.dev
2026-05-03 16:56 ` Tom Harding
[not found] ` <CAOsDwYbfZXKe_dcNoL_t2DSrWokUXC2OJh33J8=CDHmO=n3AhA@mail.gmail.com>
2026-05-04 16:26 ` Tom Harding
2026-05-04 22:34 ` Zac Mitton [this message]
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