Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-06 Thread Gregory Maxwell
On Wed, Feb 4, 2015 at 2:23 PM, Isidor Zeuner wrote: > Hi there, > > traditionally, the Bitcoin client strives to hide which output > addresses are change addresses going back to the payer. However, > especially with today's dynamically calculated miner fees, this > may often be ineffective: > > A

Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-06 Thread Justus Ranvier
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 02/06/2015 03:08 PM, Jeff Garzik wrote: > Yes. You can certainly add additional inputs and outputs -- and as > such you can increase privacy and defrag your wallet at the same > time. A lot could be done to make regular spends resemble CoinJoin

Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-06 Thread Jeff Garzik
Yes. You can certainly add additional inputs and outputs -- and as such you can increase privacy and defrag your wallet at the same time. On Fri, Feb 6, 2015 at 2:11 AM, Wladimir wrote: > On Wed, Feb 4, 2015 at 2:23 PM, Isidor Zeuner > wrote: > > > A possible approach to handle this issue wou

Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-06 Thread Wladimir
On Wed, Feb 4, 2015 at 2:23 PM, Isidor Zeuner wrote: > A possible approach to handle this issue would be to add a randomized > offset amount to the payment amount. This offset amount can be small > in comparison to the payment amount. > > Any thoughts? Adding/subtracting a randomized offset amou

Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-05 Thread Justus Ranvier
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 02/04/2015 02:23 PM, Isidor Zeuner wrote: > Hi there, > > traditionally, the Bitcoin client strives to hide which output > addresses are change addresses going back to the payer. However, > especially with today's dynamically calculated miner f

Re: [Bitcoin-development] determining change addresses using the least significant digits

2015-02-05 Thread Peter Todd
On Wed, Feb 04, 2015 at 03:23:23PM +0100, Isidor Zeuner wrote: > Hi there, > > traditionally, the Bitcoin client strives to hide which output > addresses are change addresses going back to the payer. However, > especially with today's dynamically calculated miner fees, this > may often be ineffect

[Bitcoin-development] determining change addresses using the least significant digits

2015-02-04 Thread Isidor Zeuner
Hi there, traditionally, the Bitcoin client strives to hide which output addresses are change addresses going back to the payer. However, especially with today's dynamically calculated miner fees, this may often be ineffective: A user sending a payment using the Bitcoin client will usually enter