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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: Thu, 26 Mar 2015 13:38:04 -0700	[thread overview]
Message-ID: <55146E2C.9020105@thinlink.com> (raw)
In-Reply-To: <CAAS2fgQMW+Htqu0wonL7r-ZN_t0evRayDCGRMKYzRUaCm6wxjw@mail.gmail.com>

On 3/25/2015 12:22 PM, Gregory Maxwell wrote:
>
> Verification with duplicate elimination requires O(N) storage (with N
> being the length of the history), since you need to track all the
> duplicates to reject.
>

I addressed that by limiting the duplicate check to an X-block segment.  
X is hard-coded in this simple scheme (X=144  => "1-day addresses").  
You could picture a selectable expiration duration too.




  reply	other threads:[~2015-03-26 20:38 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-25  1:57 Tom Harding
2015-03-25 10:09 ` Matt Whitlock
2015-03-25 16:34 ` Gregory Maxwell
2015-03-25 18:44   ` Tom Harding
2015-03-25 19:22     ` Gregory Maxwell
2015-03-26 20:38       ` Tom Harding [this message]
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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