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.
next prev parent 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 [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
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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