Re: [Bitcoin-development] Stealth Addresses

2014-01-15 Thread Eric Martindale
One variation of this, "recycled address", might avert misconceptions that
the "re-use" is exclusive to one's own identity.


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On Wed, Jan 15, 2014 at 7:05 PM, Jeremy Spilman  wrote:

>  Might I propose "reusable address".
>
> I think that describes it best to any non-programmer, and even more so
> encourages wallets to present options as 'one time use' vs 'reusable'.
>
> It definitely packs a marketing punch which could help drive adoption. The
> feature is only useful if/when broadly adopted.
>
> I think it meets all the criteria required:
>
>   - Communication between parties is a single message from the payee,
> which may be public
>   - Multiple payments to the same address are not publicly linkable on the
> blockchain
>   - The payee has explicitly designated they expect to receive more than
> one payment at that address
>   - Payer can publicly prove they made a payment to the reusable address
> by revealing a secret
>
> I have high hopes for this feature. The war *against* address reuse may
> soon be a distant memory.
>
> On Wed, 15 Jan 2014 12:44:17 -0800, Jeff Garzik 
> wrote:
>
> "static address" seems like a reasonable attempt at describing intended
> use/direction.
>
> On Wed, Jan 15, 2014 at 3:38 PM, Gregory Maxwell wrote:
>
>> On Wed, Jan 15, 2014 at 12:22 PM, Ben Davenport 
>> wrote:
>> > But may I suggest we consider changing the name "stealth address" to
>> > something more neutral?
>>
>> ACK.  Regardless of the 'political' overtones, I think stealth is a
>> little cringe-worthy.
>>
>> "Private address" would be fine if not for confusion with private-keys.
>>
>> "Static address" is perhaps the best in my view. (also helps improve
>>  awareness that normal addresses are intended to be more one-use-ness)
>
>
>
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Re: [Bitcoin-development] Why are we bleeding nodes?

2014-04-07 Thread Eric Martindale
We need to make it so mind-numbingly simple to "run Bitcoin correctly" that
the average user doesn't find reasons to do so in the course of normal
use.  Right now, Coinbase and Bitstamp are winning in the user experience
battle, which technically endanger the user, and by proxy the Bitcoin
network.

Multi-sig as a default is a start.  It won't succeed unless the user
experience is simply better than trusted third parties, but we need to
start the education process with the very basic fundamental: trusting a
third-party with full access to your Bitcoin is just replacing one
centralized banking system with another.

Eric Martindale
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On Apr 7, 2014 7:05 AM, "Mike Hearn"  wrote:

> My guess is that a large number of users have lost interest after they
>> lost their money in MtGox. The 24th of February coincides with the
>> "final" shutdown
>
>
> Sigh. It would not be surprising if MtGox has indeed dealt the community a
> critical blow in this regard. TX traffic is down since then too:
>
>
> https://blockchain.info/charts/n-transactions-excluding-popular?timespan=60days&showDataPoints=false&daysAverageString=1&show_header=true&scale=0&address=
>
> Judging from comments and the leaked user db, it seems a lot of well known
> people lost money there   (not me fortunately). I wish I could say people
> have learned but from the size of the deposit base at Bitstamp they clearly
> have not. A lot of Bitcoin users don't seem to be ready to be their own
> bank, yet still want to own some on the assumption everyone else either is
> or soon will be. So it's really only a matter of time until something goes
> wrong with some large bitbank again, either Bitstamp or Coinbase.
>
> Some days I wonder if Bitcoin will be killed off by people who just refuse
> to use it properly before it ever gets a chance to shine. The general
> public doesn't distinguish between "Bitcoin users" who deposit with a third
> party and the real Bitcoin users who don't.
>
>
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Re: [Bitcoin-development] Draft BIP for seamless website authentication using Bitcoin address

2014-04-07 Thread Eric Martindale
This is toying with the economics of cryptofinance in a way that needs to
be understood before being put under consideration for implementation in
Bitcoin.  This is an opportunity for an altcoin to explore the implications
of these proposals prior to changing the properties of an already
precarious system.

Eric Martindale
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On Apr 7, 2014 2:55 PM, "Ricardo Filipe"  wrote:

> 2014-04-07 21:08 GMT+01:00 Troy Benjegerdes :
> > I have to play dissenter here again..
> >
> > Using a bitcoin address as a persistent identity key is the first
> real-world
> > use of Bitcoin that I can imagine will make it a 'killer app' that
> everyone
> > and their grandma will want to use.
> >
>
> I am of the same opinion, although i understand Gavin's point. Would
> the multisig seed work for this purpose?
> I have been toying with this idea and I think that for this BIP to
> make sense it would require a "root" key as your login. Then if you
> need to make transfers the system would request you to create and
> associate a new key to your account for each purchase (signing the new
> key with the root one for example).
>
>
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[Bitcoin-development] ChainDB Whitepaper

2015-05-19 Thread Eric Martindale

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512

Hello all,

BitPay has just released our first whitepaper on ChainDB, a new
peer-to-peer database system backed by the Bitcoin blockchain.  This
paper outlines our intended consensus mechanism, proof of fee.

Please take a look at the paper here: https://bitpay.com/chaindb.pdf

We are seeking comments and feedback on this mechanism.  I am happy to
answer any questions about the paper itself.

Sincerely,

Eric Martindale
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