From: Gregory Maxwell <gmaxwell@gmail•com>
To: Mike Hearn <mike@plan99•net>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] bloom filtering, privacy
Date: Fri, 20 Feb 2015 17:50:11 +0000 [thread overview]
Message-ID: <CAAS2fgSEqYNiGFk0pZ-hT_0zR7_Nh1OUvyfFd-DE=a-cdzgWwQ@mail.gmail.com> (raw)
In-Reply-To: <CANEZrP32M-hSU-a1DA5aTQXsx-6425sTeKW-m-cSUuXCYf+zuQ@mail.gmail.com>
On Fri, Feb 20, 2015 at 4:54 PM, Mike Hearn <mike@plan99•net> wrote:
> And then what? So you know the block matches. But with reasonable FP rates
> every block will match at least a few transactions (this is already the case
This approach needs a filter set with a lower FP rate. It doesn't
depend on having a high FP rate for privacy (which is good, since
counting on filter false positives seems to more or less fail to
deliver actual privacy in any case.)
Larger filters mean a somewhat higher baseline bandwidth, though when
users do not reuse addresses and have more addresses than there are
txouts in the block the gap is narrower.
> Ah, I see, I didn't catch that this scheme relies on UTXO commitments
This is talking about a committed bloom filter. Not a committed UTXO set.
next prev parent reply other threads:[~2015-02-20 17:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 12:44 Adam Back
2015-02-20 16:18 ` Wladimir
2015-02-20 16:38 ` Tamas Blummer
2015-02-20 16:54 ` Mike Hearn
2015-02-20 17:35 ` Adam Back
2015-02-20 17:43 ` Mike Hearn
2015-02-20 17:59 ` Adam Back
2015-02-20 18:10 ` Mike Hearn
2015-02-20 18:20 ` Gregory Maxwell
2015-02-20 19:03 ` Mike Hearn
2015-02-21 5:12 ` Adam Back
2015-02-21 13:28 ` Mike Hearn
2015-02-21 14:30 ` Adam Back
2015-02-21 14:45 ` Mike Hearn
2015-02-20 17:50 ` Gregory Maxwell [this message]
2015-02-20 17:53 ` Mike Hearn
2015-02-21 16:03 ` Chris Pacia
2015-02-21 16:47 ` Mike Hearn
2015-02-21 18:38 ` Chris Pacia
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