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References: <C45891F8-2AE4-4D26-B98A-0E983935A83E@zerosync.org>
In-Reply-To: <C45891F8-2AE4-4D26-B98A-0E983935A83E@zerosync.org>
From: Erik Aronesty <erik@q32.com>
Date: Mon, 5 Jun 2023 14:59:58 -0400
Message-ID: <CAJowKgKurMyvgXuFYoeyvMF3mFMmSEeA7rD4N2WCZwsPPHeAiA@mail.gmail.com>
To: Robin Linus <robin@zerosync.org>, 
 Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Content-Type: multipart/alternative; boundary="00000000000026ea8505fd668371"
Subject: Re: [bitcoin-dev] ZeroSync: Introducing Validity Proofs to Bitcoin
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"The sender
could store redundant copies of the encrypted transaction data with
multiple trust-
minimized middlemen, for the recipient to download when they come back
online."

sounds like a nostr event sent to a half dozen relays


On Fri, May 12, 2023, 9:15 AM Robin Linus via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> Hi all,
>
> Today we are publishing a summary of our research on "ZeroSync:
> Introducing Validity Proofs to Bitcoin".
>
>
> Here's the preface:
>
> *We introduce ZeroSync, the first-ever proof system addressing Bitcoin=E2=
=80=99s
> scalability challenges with Succinct Non-Interactive Argument of Knowledg=
e
> (SNARKs). ZeroSync compresses the entire Bitcoin blockchain into a compac=
t
> proof of validity, enabling instant verification and unlocking various
> innovative applications. We discuss our prototype implementation of a cha=
in
> state proof, utilizing the Cairo language, Utreexo, and recursive STARKs.
> Our work enables diverse applications, including quick bootstrapping of
> full nodes, trustless light clients, enhanced Lightning Network privacy,
> and secure cross-chain bridges. Chain state proofs require no consensus
> changes, which is crucial as forks in Bitcoin are challenging to implemen=
t
> and achieve consensus for. Despite the existing bottleneck of prover
> performance, we present a range of optimization strategies and demonstrat=
e
> the practicality of generating a complete chain state proof. *
> *Finally, we introduce zkCoins, a client-side validation protocol combine=
d
> with zeroknowledge SNARKs, drastically improving privacy and throughput o=
f
> token transactions. In combination with future Bitcoin features, such as
> Simplicity, zkCoins also enables private and more scalable BTC
> transactions. *
> *The groundbreaking compression capabilities of SNARKs initiated a
> paradigm shift in cryptocurrency design, and ZeroSync is pioneering their
> application to Bitcoin.*
>
>
> You can find the full paper here: https://zerosync.org/zerosync.pdf
> Happy to receive any comments and answer any questions the bitcoin dev
> community may have about the paper!
>
>
>
> Best regards,
> Robin Linus
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>

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<div dir=3D"auto"><div dir=3D"auto">&quot;The sender</div><div dir=3D"auto"=
>could store redundant copies of the encrypted transaction data with multip=
le trust-</div><div dir=3D"auto">minimized middlemen, for the recipient to =
download when they come back online.&quot;</div><div dir=3D"auto"><br></div=
><div dir=3D"auto">sounds like a nostr event sent to a half dozen relays=C2=
=A0</div><div dir=3D"auto"><br></div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Fri, May 12, 2023, 9:15 AM Robin Li=
nus via bitcoin-dev &lt;<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation=
.org">bitcoin-dev@lists.linuxfoundation.org</a>&gt; wrote:<br></div><blockq=
uote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc =
solid;padding-left:1ex"><div style=3D"word-wrap:break-word;line-break:after=
-white-space"><div style=3D"color:rgb(0,0,0)"><div>Hi all,</div><div><br></=
div><div>Today we are publishing=C2=A0<span>a summary of</span><span>=C2=A0=
our research on</span>=C2=A0&quot;ZeroSync: Introducing Validity Proofs to =
Bitcoin&quot;.</div><div><br></div><div><br></div><div>Here&#39;s the prefa=
ce:</div></div><div style=3D"color:rgb(0,0,0)"><br></div><div style=3D"colo=
r:rgb(0,0,0)"><i>We introduce ZeroSync, the first-ever proof system address=
ing Bitcoin=E2=80=99s scalability challenges with Succinct Non-Interactive =
Argument of Knowledge (SNARKs). ZeroSync compresses the entire Bitcoin bloc=
kchain into a compact proof of validity, enabling instant verification and =
unlocking various innovative applications. We discuss our prototype impleme=
ntation of a chain state proof, utilizing the Cairo language, Utreexo, and =
recursive STARKs. Our work enables diverse applications, including quick bo=
otstrapping of full nodes, trustless light clients, enhanced Lightning Netw=
ork privacy, and secure cross-chain bridges. Chain state proofs require no =
consensus changes, which is crucial as forks in Bitcoin are challenging to =
implement and achieve consensus for. Despite the existing bottleneck of pro=
ver performance, we present a range of optimization strategies and demonstr=
ate the practicality of generating a complete chain state proof.=C2=A0</i><=
/div><div style=3D"color:rgb(0,0,0)"><i>Finally, we introduce zkCoins, a cl=
ient-side validation protocol combined with zeroknowledge SNARKs, drastical=
ly improving privacy and throughput of token transactions. In combination w=
ith future Bitcoin features, such as Simplicity, zkCoins also enables priva=
te and more scalable BTC transactions.=C2=A0</i></div><div style=3D"color:r=
gb(0,0,0)"><i>The groundbreaking compression capabilities of SNARKs initiat=
ed a paradigm shift in cryptocurrency design, and ZeroSync is pioneering th=
eir application to Bitcoin.</i></div><div style=3D"color:rgb(0,0,0)"><br></=
div><div style=3D"color:rgb(0,0,0)"><br></div><div style=3D"color:rgb(0,0,0=
)"><div>You can find the full paper here:=C2=A0<a href=3D"https://zerosync.=
org/zerosync.pdf" target=3D"_blank" rel=3D"noreferrer">https://zerosync.org=
/zerosync.pdf</a></div></div><div style=3D"color:rgb(0,0,0)">Happy to recei=
ve any comments and answer any questions the bitcoin dev community may have=
 about the paper!</div><div style=3D"color:rgb(0,0,0)"><div><br></div><div>=
<br></div><div><br></div><div>Best regards,</div><div>Robin Linus</div></di=
v></div>_______________________________________________<br>
bitcoin-dev mailing list<br>
<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_blank" =
rel=3D"noreferrer">bitcoin-dev@lists.linuxfoundation.org</a><br>
<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
rel=3D"noreferrer noreferrer" target=3D"_blank">https://lists.linuxfoundati=
on.org/mailman/listinfo/bitcoin-dev</a><br>
</blockquote></div>

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