Date: Mon, 3 Sep 2018 00:05:18 +0000
From: Andrew Poelstra <apoelstra@wpsoftware.net>
To: Erik Aronesty <erik@q32.com>
Message-ID: <20180903000518.GB18522@boulet.lan>
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	<2e620d305c86f65cbff44b5fba548dc85c118f84.camel@timruffing.de>
	<20180812163734.GV499@boulet.lan>
	<CAJowKg+h11YkwOo-gyWCw+87Oh-9K34LOnJ1730hhpoVR2m5sA@mail.gmail.com>
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Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Schnorr signatures BIP
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On Wed, Aug 29, 2018 at 08:09:36AM -0400, Erik Aronesty wrote:
> Note:
>=20
> This spec cannot be used directly with a shamir scheme to produce
> single-round threshold multisigs, because shares of point R would need to
> be broadcast to share participants in order to produce valid single
> signatures.
>=20
> (R, s) schemes can still be used "online", if share participants publish
> the R(share).... but, not sure if it matter much, this choice eliminates
> offline multiparty signing in exchange for batch validation.
>

Please stop with this FUD. No tradeoff was made. There are no non-interacti=
ve
Schnorr signatures.


Andrew
=20

--=20
Andrew Poelstra
Mathematics Department, Blockstream
Email: apoelstra at wpsoftware.net
Web:   https://www.wpsoftware.net/andrew

"A goose alone, I suppose, can know the loneliness of geese
 who can never find their peace,
 whether north or south or west or east"
       --Joanna Newsom


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