Re: [Bitcoin-development] Looking for GREAT C++ developer for exciting opportunity in bitcoin space

2013-12-30 Thread Peter Todd
On Sun, Dec 29, 2013 at 11:53:19AM -0700, Evan Duffield wrote:
 Hello,
 
 We’re a startup looking for 1 or 2 really good C++ programmer that is
 familiar with the bitcoin internals to help with a for-profit startup.
 
 We will be able to provide more information about the project after signing
 a non-compete/non-disclosure agreement. Our coin will be one of the truly
 unique coins that are not just a clone of the original Bitcoin code. In
 short the project will be a merge-mined altcoin that will provide a very
 useful service to the whole crypto-coin ecosystem.

I would strongly suggest that if you have not done so already you hire
someone competent to do an analysis of whether or not your idea makes
sense at all; that you are using merge-mining is a red-flag because
without majority, or at least near-majority, hashing power an attacker
can 51% attack your altcoin at negligible cost by re-using existing
hashing power. If you are starting a timestamping service that may be an
exception, but how to turn a profit doing so is non-obvious.


I would offer that consulting myself, but it would likely be a conflict
of interest with my employers. I'd be happy to speak informally in
private, but am explicitly unwilling to agree to any
non-compete/non-disclosure terms.

-- 
'peter'[:-1]@petertodd.org
000f9102d27cfd61ea9e8bb324593593ca3ce6ba53153ff251b3


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Re: [Bitcoin-development] Looking for GREAT C++ developer for exciting opportunity in bitcoin space

2013-12-30 Thread Luke-Jr
On Monday, December 30, 2013 11:22:25 PM Peter Todd wrote:
 that you are using merge-mining is a red-flag because without majority, or
 at least near-majority, hashing power an attacker can 51% attack your
 altcoin at negligible cost by re-using existing hashing power.

I strongly disagree on this isolated point. Using the same logic, Bitcoin is 
vulnerable to an attacker at negligible cost by re-using existing hashing 
power from mining Namecoin. Any non-scam altcoin is pretty safe using merged 
mining, since any would-be attacker is going to have it in their interests to 
invest in the altcoin instead of attacking it. It's only the scam ones that 
want to pump  dump with no improvements, that are really at risk here.

The rational decision for a non-scam altcoin, is to take advantage of merged 
mining to get as much security as possible. There are also some possible 
tricks to get the full security of the bitcoin miners even when not all 
participate in your altcoin (but this area probably needs some studying to get 
right).

Luke

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Re: [Bitcoin-development] Looking for GREAT C++ developer for exciting opportunity in bitcoin space

2013-12-29 Thread Jérémie Dubois-Lacoste
Hey,

I doubt this list is for this kind of thing. I am following
bitcoin-development since a long time but never participated because I
believe discussions should be well-focused and I never had anything
relevant to say.
Evan, I am pretty sure that emails such as yours will cause the true
discussions between core-dev (or those closely graviting around) to
move elsewhere on a less public channel, where people like me won't be
able to follow them anymore. Thus my request: please post this kind of
things elsewhere, because you are hijacking a list just to target his
audience, but not to contribute relevant content. (A definition
usually describing spam).

Cheers,

Jeremie


2013/12/29 Evan Duffield eduffiel...@gmail.com:
 Hello,


 We’re a startup looking for 1 or 2 really good C++ programmer that is
 familiar with the bitcoin internals to help with a for-profit startup.


 We will be able to provide more information about the project after signing
 a non-compete/non-disclosure agreement. Our coin will be one of the truly
 unique coins that are not just a clone of the original Bitcoin code. In
 short the project will be a merge-mined altcoin that will provide a very
 useful service to the whole crypto-coin ecosystem.


 If you have added any features to Bitcoin or related technologies this is a
 definite bonus. Please include information about the work you’re done in the
 space.


 We have detailed plans on how to implement it and the roles we are looking
 to fill. If interested please email eduffiel...@gmail.com with a description
 of your work experience and we’ll vett the applications and share our plans
 to see if you’re interested.


 Thanks,


 Evan  Kyle

 Hawk Financial Group, LLC

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Re: [Bitcoin-development] Looking for GREAT C++ developer for exciting opportunity in bitcoin space

2013-12-29 Thread Matt Corallo
I'm not sure where you got the idea that Bitcoin-development was ideal for 
hiring scamcoin developers, but it's not. Most of the people on this list are 
smart enough to realize posts like this are dumb ideas backed by greedy 
entrepreneurs who don't understand the system they're trying to improve 99.9% 
of the time.


Evan Duffield eduffiel...@gmail.com wrote:
Hello,

We’re a startup looking for 1 or 2 really good C++ programmer that is
familiar with the bitcoin internals to help with a for-profit startup.

We will be able to provide more information about the project after
signing
a non-compete/non-disclosure agreement. Our coin will be one of the
truly
unique coins that are not just a clone of the original Bitcoin code. In
short the project will be a merge-mined altcoin that will provide a
very
useful service to the whole crypto-coin ecosystem.

If you have added any features to Bitcoin or related technologies this
is a
definite bonus. Please include information about the work you’re done
in
the space.

We have detailed plans on how to implement it and the roles we are
looking
to fill. If interested please email eduffiel...@gmail.com with a
description of your work experience and we’ll vett the applications and
share our plans to see if you’re interested.

Thanks,

Evan  Kyle
Hawk Financial Group, LLC




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