Re: [Bitcoin-development] Deanonymisation of clients in Bitcoin P2P network paper

2014-12-11 Thread Isidor Zeuner
[...]
 And, on the flip side if the host is persistently behind tor, even
 with some watermarkable behaviour, their privacy is protected.  So
 making sure that hosts can continually use tor (or similar systems)
 should be the higher priority.  (And, of course, not reimplementing
 tor  leverages the millions of dollars of investment and dozens of
 subject matter experts working on that system).


Reimplementing Tor would not only mean to lose all the investment that
ran into Tor, but also to lose a large user base. We can see this with
TorCoin. Still, the fact that Bitcoin is a use case for Tor which
measurably shows some limits where it is not fully clear if Tor or
Bitcoin is to be blamed does not only mean that both projects may
have to evolve in order to properly solve the issue, but also that the
means of interfacing between both projects may have to be
extended. Ideally, in a way which does not require to run a separate
Tor and/or Bitcoin network in order to work, but which will be generic
enough to satisfy both sides' need to still work in a standalone
manner.

But I do see huge merit in exploring better ways of synergy between
the projects. For example, Tor's hardcoded circuit length may be
considered as a hack which was only necessary due to the lack of a
suitable resource compensation mechanism. Which is something that is
available with Bitcoin.

Best regards,

Isidor

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Re: [Bitcoin-development] Merged mining a side chain with proof of burn on parent chain

2014-12-11 Thread Isidor Zeuner
[...]
 The Bitcoin miner will include burn transactions because they offer
 Bitcoin fees. Bitcoin miner can not selectively block side chains
 since the hashes associated with the burn do not disclose which side
 chain or other project they are for. Here you have a “merged
 mining” that does not need Bitcoin miner support or even consent.


Miners might decide to block all burn transactions, and other nodes
might decide to stop relaying them. This may be considered as
preferable by all participants who do not want to add more potential
for deflation.

Best regards,

Isidor

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Re: [Bitcoin-development] Merged mining a side chain with proof of burn on parent chain

2014-12-11 Thread Tamas Blummer
Isodor: Rational Miner will include burn transaction for fee, no doubt. 
Censoring transactions is against Bitcoin’s core values, unlikely to get wide 
support for any form of that.

Patrick: Mining is at cost even if following the rules. No change to that.

Tamas Blummer
Bits of Proof


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