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authorZmnSCPxj <ZmnSCPxj@protonmail.com>2019-03-18 04:22:52 +0000
committerbitcoindev <bitcoindev@gnusha.org>2019-03-18 04:23:01 +0000
commit139ee2e4043b55701a4d39d40ee5c18b12a11c88 (patch)
tree481f0eff6d2347eb02d8a4a80d60bbf45ff0c0d0
parentf1c4251e6654cb1095016dddb72719a1a39be96b (diff)
downloadpi-bitcoindev-139ee2e4043b55701a4d39d40ee5c18b12a11c88.tar.gz
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Re: [bitcoin-dev] Pre BIP: Solving for spam and other abuse with an HTLB
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+To: Alistair Mann <al@pectw.net>
+From: ZmnSCPxj <ZmnSCPxj@protonmail.com>
+Reply-To: ZmnSCPxj <ZmnSCPxj@protonmail.com>
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+Subject: Re: [bitcoin-dev] Pre BIP: Solving for spam and other abuse with an
+ HTLB
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+
+Funding Transaction Pattern is how I name it; I am unaware if this pattern =
+has been named before.
+I know gmax created Taproot precisely as an optimization of this pattern, s=
+o I presume he is aware of it, and might know a proper name for such.
+It is massively ambiguous to call it "gmax technique" as that name could ap=
+ply to many, many techniques.
+
+Regards,
+ZmnSCPxj
+
+
+Sent with ProtonMail Secure Email.
+
+=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90 Original Me=
+ssage =E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90=E2=80=90
+On Monday, March 18, 2019 12:11 AM, Alistair Mann <al@pectw.net> wrote:
+
+> Many thanks for your thoughts, ZmnSCPxj.
+>
+> > I believe there is indeed an important usecase for HTLB over HTLC, whic=
+h is
+> > to improve the anonymity set. An HTLB over HTLC would be indistinguisha=
+ble
+> > onchain from other uses of HTLC; assuming that HTLCs have other uses, t=
+his
+> > is a (small?) plus to privacy.
+> > Note that the redundant <digest> would have to be given by Alice to Bob=
+,
+> > since using a standardized one will also reveal use of HTLB over HTLC
+> > instead of hiding it among other HTLC UTXOs.
+>
+> Both these are good observations and I'll act on them.
+>
+> > Another thing to improve privacy would be to apply the Funding Transact=
+ion
+> > pattern: https://zmnscpxj.github.io/offchain/generalized.html
+>
+> <snip>
+>
+> I've not read of the FTP before; I welcome it, and take on board that it
+> improves privacy by keeping a script offline. My first thought is that do=
+esn't
+> affect the suggested BIP, so my next update here won't include it. I reco=
+gnise
+> it would improve mainnet use of scripts though, so do expect to return to=
+ it.
+>
+> Cheers,
+>
+> -------------------------------------------------------------------------=
+---------------------------------------------------------------------------=
+---------------------------------------------------------------------------=
+---------------------------------------------------------------------------=
+----------------------
+>
+> Alistair Mann
+
+
+