[Bitcoin-development] Address Expiration to Prevent Reuse

Tom Harding tomh at thinlink.com
Thu Mar 26 20:38:04 UTC 2015


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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