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Showing 20 of 152 results by Delek
Post
Topic
Board Bitcoin Wiki
Re: Request edit privileges here
by
Delek
on 29/03/2017, 14:57:31 UTC
My user name is leo.demartino
Please activate my profile as editor

Thanks
Post
Topic
Board Esquina Libre
Re: Grupo de Bitcoin @ Telegram
by
Delek
on 21/09/2016, 18:09:05 UTC
UP!

telegram.me/btces (Bitcoin Español) 176 miembros
telegram.me/btcar (Bitcoin Argentina) 126 miembros
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Topic
Board Esquina Libre
Re: Grupo de Bitcoin @ Telegram
by
Delek
on 19/06/2016, 18:50:43 UTC
Estamos hablando del drain de the dao! Opinen sobre el tema! (Si es un audio con su voz es aun mejor)
telegram.me/btces (Bitcoin Español)
telegram.me/btcar (Bitcoin Argentina)
Post
Topic
Board Development & Technical Discussion
Re: How random is the last digit of a block hash really is?
by
Delek
on 31/05/2016, 23:39:52 UTC
Mining pools probably can not force the last digit of a block hash to be zero or any digit of their choice. It should depend on the nonce.
BREAKING NEWS: Forcing the hash is changing a nonce.
Post
Topic
Board Bitcoin Discussion
Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential
by
Delek
on 31/05/2016, 19:05:37 UTC
China have population ~ 1.381 billion. Argentina's population is ~ 43 millions only. So in China potential is quite larger.  Wink
That logic is really crazy because China, then, have potential for anything. And that of course isn't true.
Post
Topic
Board Bitcoin Discussion
Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential
by
Delek
on 31/05/2016, 02:47:55 UTC
5 blocks from where I live in Argentina. Women's clothing store.




 Grin
Post
Topic
Board Bitcoin Discussion
Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential
by
Delek
on 30/05/2016, 19:31:42 UTC
Argentina's capital controls and huge corruption sector of the economy is making billions. I doubt they will let their privileges go that easy.
I think you're mixing things. Argentina elected a new president 5 months ago and that talk was at Davos so he was in office for only 1 month. The "capital controls" and "huge corruption" are things from the previous populist administration. This new president is a huge relief for me as Argentinian, he has Great Vision and Leadership in all this new era for Latin America politics (Venezuela imploding, Brazil crisis, new position for Cuba, etc).

Bitcoin is really well accepted here btw, there are already some bars, taxis and stores that accept it. The majority of them uses BitPagos that is an Argentinian enterprise that is making the process of accepting bitcoin a 5 minutes thing, awesome for small companies and freelancers.
Post
Topic
Board Project Development
Re: proofcha.in - a simple game about blockchain
by
Delek
on 28/05/2016, 20:45:40 UTC
Yeah you may have bad luck at first. It is really easy to mine a block in a forked chain actually.
Post
Topic
Board Project Development
Topic OP
proofcha.in - a simple game about blockchain
by
Delek
on 24/05/2016, 18:39:13 UTC
I was trying to explain to my girlfriend how the blockchain works and why it is so secure that I simplified the explanation to a point where I was able to build a little game.
The game objective is to make a fork longer than the mainchain. You havo to mine spending electricity and buying electricity spending money. Mining in the mainchain is difficult but gives you money, mining in a fork is easy but you will only waste power.
I want to make this app a nice start for newcomers that want to understand why the blockchain is hard to hack!

The game beta is live in:
http://proofcha.in

GitHub:
https://github.com/proofchain

All sounds were made by using my chipmusic tool called Deflemask (deflemask.com)

Feel free to criticize, laugh or contribute to this blockchain-how-it-works-game.  Grin
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Topic
Board Esquina Libre
Re: Grupo de Bitcoin @ Telegram
by
Delek
on 18/05/2016, 14:07:11 UTC
En Argentina hay 50
En Español hay 16
Unanse!
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Topic
Board Esquina Libre
Re: Grupo de Bitcoin Argentina @ Telegram
by
Delek
on 22/03/2016, 16:34:31 UTC
Hay otro grupo para bitcoin en español en general:
telegram.me/btces
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Topic
Board Esquina Libre
Topic OP
Grupo de Bitcoin @ Telegram
by
Delek
on 21/03/2016, 18:03:46 UTC
Unanse asi debatimos mas libremente
telegram.me/btces (Bitcoin Español) > 176 miembros
telegram.me/btcar (Bitcoin Argentina) > 126 miembros

 Cheesy Cheesy Cheesy Cheesy Cheesy
Post
Topic
Board Bitcoin Discussion
Re: Storing money on Smartphone is far more secure than desktop or laptop
by
Delek
on 23/11/2015, 15:07:40 UTC
The thing is that phones can be lost, robbed, broken more frequently than a Desktop. It is more a safety thing than a security thing I think.
Post
Topic
Board Development & Technical Discussion
Re: VS2015 - how to include secp256k1 in my project?
by
Delek
on 27/10/2015, 17:23:02 UTC
You should include the header files but also the .c files to your project's files tree.
Post
Topic
Board Development & Technical Discussion
Re: Should websites refuse to send coins to an already used address?
by
Delek
on 24/10/2015, 21:04:48 UTC
reuse also harms _other_ users in Bitcoin, who do care about privacy, and this degrades the fungibility of coins; since coins which are linked to this or that party are clearly different, and differently valuable than coins which are linked to other parties or are not linked.
If that's so harmful for Bitcoin why there's was never prohibited in Core?, I mean, the address reuse should be disabled if you are 100% right.  Shocked

Btw, how do we can have working donation addresses this way? Only using it for sending the inputs to another random addresses?  Undecided
"Mined addresses" (vanitygen) are harmful then too?  Huh

This is very shocking for me.  Shocked
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Topic
Board Development & Technical Discussion
Re: Should websites refuse to send coins to an already used address?
by
Delek
on 24/10/2015, 01:11:58 UTC
Quote from: gmaxwell
New addresses can be generated without generating new private keys.

Monero, for example, has no address reuse at all in the blockchain-- it's required for the prevention of double spending there. It seems to do okay with it.  The original bitcoin software never addresses w/ pay-to-ip; and even with addresses in use it the practice of reusing is somewhat inexplicable from a technology standpoint: it _really_ screws up your privacy along with that of people you transact with, and you can't reliably tell which of the payments you had outstanding were confirmed.... I think if it had been realized that people would behave the way they do, it likely would have been prohibited in the Bitcoin system from the start.
Two more.questions regarding to that:
1) It was known how to generate a new address without a ptivate key back in 2009? If I'm right, this comes from a modern BIP (deterministic wallets) Shocked
2) I don't care about privacy, I prefer to have a working Donation address all the time rather than being 100% a ghost. :p
Post
Topic
Board Development & Technical Discussion
Re: Should websites refuse to send coins to an already used address?
by
Delek
on 23/10/2015, 12:52:22 UTC
I may sound paranoid, but the creation of a new address shouldn't never be done online and automatically. Creating a new private key every time you spend gives me chills.
Post
Topic
Board Development & Technical Discussion
Re: How to determine the antiquity of my coins?
by
Delek
on 21/10/2015, 13:26:40 UTC
Thanks for your kindly explanations!

There's something I don't understand however, let's assume that a bitcoin address makes a valid transaction that spend all of this balance, while checking the validity of that transaction you have to go back in time, in transactions and in blocks.

I know now that the antiquity of particular coins can't be determined (thanks!), but antiquity of an address is just how much blocks you had to analyze to tell that the transaction is ok. Isn't?
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Topic
Board Development & Technical Discussion
Topic OP
How to determine the antiquity of my coins?
by
Delek
on 20/10/2015, 19:58:44 UTC
Hi there Bitcoin Society! Smiley

I was wondering when my Bitcoins were born, in which block height my coins were actually mined. There is a magical thing in think that maybe you have some Satoshis built in the first mountains of the Bitcoin blockchain.

There's no web-service/app for this? The idea is to search for a public address and obtain a detailed tree of coins movements up to the Coinbase.
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Topic
Board Development & Technical Discussion
Re: DagCoin: a cryptocurrency without blocks
by
Delek
on 07/10/2015, 20:07:56 UTC
If we can't build a Blockchain system without Bitcoin, why will be possible to build a Bitcoin without a Blockchain?
It is interesting, because having a working proof of DagCoin will definitely separate the concepts of Blockchain and Crypto-Currency.

Looking forward to the 0.1 version release.