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Date: Thu, 26 Mar 2015 13:38:04 -0700
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Cc: Bitcoin Development <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Address Expiration to Prevent Reuse
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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.
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