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From: Tom Harding <tomh@thinlink.com>
To: Gregory Maxwell <gmaxwell@gmail.com>
Cc: Bitcoin Development <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Address Expiration to Prevent Reuse
Date: Wed, 25 Mar 2015 11:44:00 -0700	[thread overview]
Message-ID: <551301F0.9020806@thinlink.com> (raw)
In-Reply-To: <CAAS2fgRzskGcHjEhJLnyu-VMTR49i-Wo9TbOOqkHqEasxuO71A@mail.gmail.com>

On 3/25/2015 9:34 AM, Gregory Maxwell wrote:
>
>> address = 4HB5ld0FzFVj8ALj6mfBsbifRoD4miY36v_349366
> Assuming the sender is not an uncooperative idiot, you can simply
> include expiration information and the sender can refuse to send after
> that time.

Is this assuming payment protocol?  A major benefit of address
expiration, if it works, would be that it works without requiring
payment protocol. 

> If the sender is an uncooperative idiot, they can always change your
> target and send anyways.

Are you suggesting there is no implementation of address expiration that
wouldn't allow the string to be trivially changed by the sender?


>> Block containing tx invalid if a prior confirmed tx has paid address
> Requires a unprunable verification state.

I don't understand, explanation would be appreciated.





  reply	other threads:[~2015-03-25 18:44 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-25  1:57 [Bitcoin-development] Address Expiration to Prevent Reuse Tom Harding
2015-03-25 10:09 ` Matt Whitlock
2015-03-25 16:34 ` Gregory Maxwell
2015-03-25 18:44   ` Tom Harding [this message]
2015-03-25 19:22     ` Gregory Maxwell
2015-03-26 20:38       ` Tom Harding
2015-03-26 20:42         ` Gregory Maxwell
2015-03-26 21:26           ` Tom Harding
2015-03-26 21:33             ` Peter Todd
2015-03-26 21:44             ` Gregory Maxwell
2015-03-26 22:23               ` Tom Harding
2015-03-26 22:28               ` s7r
2015-03-26 23:00                 ` Gregory Maxwell
2015-06-13  4:52               ` odinn
2015-03-27  1:51 Thy Shizzle
2015-03-27  3:13 ` Gregory Maxwell
2015-03-27  4:31 Thy Shizzle

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