From: Rusty Russell <rusty@rustcorp•com.au>
To: DING FENG <dingfeng12345@gmail•com>, Luke Dashjr <luke@dashjr•org>
Cc: Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>,
lightning-dev@lists•linuxfoundation.org
Subject: Re: [bitcoin-dev] [Lightning-dev] BIP sighash_noinput
Date: Fri, 13 Jul 2018 09:34:14 +0930 [thread overview]
Message-ID: <878t6gxapt.fsf@rustcorp.com.au> (raw)
In-Reply-To: <CAK_c0Xo0G9-YiOGZK_8WsYNkzjQRaH+u7XOUAozKosggXeXTNg@mail.gmail.com>
DING FENG <dingfeng12345@gmail•com> writes:
> Hi,
>
> I'm a junior developer and a bitcoin user.
> And I have read this thread carefully.
>
> I'm very worried about "SIGHASH_NOINPUT".
>
> Because "SIGHASH_NOINPUT" looks will be widely used, and it makes reuse
> address more dangerous.
No.
A wallet should *never* create a SIGHASH_NOINPUT to spend its own UTXOs.
SIGHASH_NOINPUT is useful for smart contracts which have unique
conditions, such as a pair of peers rotating keys according to an agreed
schedule (eg. lightning).
Cheers,
Rusty.
next prev parent reply other threads:[~2018-07-13 0:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-30 16:29 [bitcoin-dev] " Christian Decker
2018-04-30 18:25 ` Dario Sneidermanis
2018-05-01 16:58 ` Russell O'Connor
2018-05-01 17:32 ` Christian Decker
2018-05-04 9:15 ` ZmnSCPxj
2018-05-04 11:09 ` Christian Decker
2018-05-04 14:25 ` ZmnSCPxj
2018-09-26 9:36 ` Jonas Nick
2018-09-26 19:45 ` Johnson Lau
2018-09-26 20:40 ` Jonas Nick
2018-05-07 19:40 ` Christian Decker
2018-05-07 20:51 ` Bram Cohen
2018-07-03 6:58 ` [bitcoin-dev] [Lightning-dev] " ZmnSCPxj
2018-07-03 11:54 ` William Casarin
2018-05-08 14:40 ` [bitcoin-dev] " Anthony Towns
2018-05-09 23:01 ` Olaoluwa Osuntokun
2018-05-09 23:04 ` Rusty Russell
2018-05-14 9:23 ` [bitcoin-dev] [Lightning-dev] " Anthony Towns
2018-05-15 14:28 ` Christian Decker
2018-05-07 23:47 ` [bitcoin-dev] " Olaoluwa Osuntokun
2018-05-10 14:12 ` Christian Decker
2018-07-02 18:11 ` Gregory Maxwell
2018-07-03 4:56 ` Rusty Russell
2018-07-03 5:21 ` Peter Todd
2018-07-03 23:45 ` Gregory Maxwell
2018-07-09 9:41 ` Peter Todd
2018-07-03 12:05 ` Christian Decker
2018-07-03 12:13 ` [bitcoin-dev] [Lightning-dev] " Luke Dashjr
2018-07-04 18:08 ` fred savage
2018-07-05 8:18 ` vv01f
[not found] ` <CAK_c0Xo0G9-YiOGZK_8WsYNkzjQRaH+u7XOUAozKosggXeXTNg@mail.gmail.com>
2018-07-11 7:43 ` ZmnSCPxj
2018-07-13 0:04 ` Rusty Russell [this message]
2018-07-13 9:50 ` fred savage
2018-07-13 11:07 ` Christian Decker
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