[Bitcoin-development] Address Expiration to Prevent Reuse

odinn odinn.cyberguerrilla at riseup.net
Sat Jun 13 04:52:25 UTC 2015


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I'm way late to this one, I guess, but adding some thoughts here... it
seems that anything which mitigates the problem of reuse should be to
the maximum extent possible, the user's option... if a person wants to
have an address that lasts forever they should be able to have it...
if they want to have an address that expires they should be able to
have it.

The reuse problem is, I think, better solved by the presentation of
stealth address proposals, and would be handled by a stealth BIP (BIP
63) which has been recently re-discussed here:
https://bitcointalk.org/index.php?topic=1083961.0

On 03/26/2015 02:44 PM, Gregory Maxwell wrote:
> On Thu, Mar 26, 2015 at 9:26 PM, Tom Harding <tomh at thinlink.com> 
> wrote:
>> I should have been clearer that the motivation for address 
>> expiration is to reduce the rate of increase of the massive pile 
>> of bitcoin addresses out there which have to be monitored
>> forever for future payments.  It could make a significant dent
>> if something like this worked, and were used by default someday.
> 
> Great, that can be accomplished by simply encoding an expiration 
> into the address people are using and specifying that clients 
> enforce it.
> 
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