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October 02, 2022, 10:36:05 PM *
News: Latest Bitcoin Core release: 23.0 [Torrent]
 
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1  Other / Bitcoin Wiki / Re: Request edit privileges here on: March 29, 2017, 02:57:31 PM
My user name is leo.demartino
Please activate my profile as editor

Thanks
2  Local / Esquina Libre / Re: Grupo de Bitcoin @ Telegram on: September 21, 2016, 06:09:05 PM
UP!

telegram.me/btces (Bitcoin Espaņol) 176 miembros
telegram.me/btcar (Bitcoin Argentina) 126 miembros
3  Local / Esquina Libre / Re: Grupo de Bitcoin @ Telegram on: June 19, 2016, 06:50:43 PM
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 Espaņol)
telegram.me/btcar (Bitcoin Argentina)
4  Bitcoin / Development & Technical Discussion / Re: How random is the last digit of a block hash really is? on: May 31, 2016, 11:39:52 PM
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.
5  Bitcoin / Bitcoin Discussion / Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential on: May 31, 2016, 07:05:37 PM
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.
6  Bitcoin / Bitcoin Discussion / Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential on: May 31, 2016, 02:47:55 AM
5 blocks from where I live in Argentina. Women's clothing store.




 Grin
7  Bitcoin / Bitcoin Discussion / Re: Argentina Tops List of Countries with Greatest Bitcoin Adoption Potential on: May 30, 2016, 07:31:42 PM
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.
8  Bitcoin / Project Development / Re: proofcha.in - a simple game about blockchain on: May 28, 2016, 08:45:40 PM
Yeah you may have bad luck at first. It is really easy to mine a block in a forked chain actually.
9  Bitcoin / Project Development / proofcha.in - a simple game about blockchain on: May 24, 2016, 06:39:13 PM
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
10  Local / Esquina Libre / Re: Grupo de Bitcoin @ Telegram on: May 18, 2016, 02:07:11 PM
En Argentina hay 50
En Espaņol hay 16
Unanse!
11  Local / Esquina Libre / Re: Grupo de Bitcoin Argentina @ Telegram on: March 22, 2016, 04:34:31 PM
Hay otro grupo para bitcoin en espaņol en general:
telegram.me/btces
12  Local / Esquina Libre / Grupo de Bitcoin @ Telegram on: March 21, 2016, 06:03:46 PM
Unanse asi debatimos mas libremente
telegram.me/btces (Bitcoin Espaņol) > 176 miembros
telegram.me/btcar (Bitcoin Argentina) > 126 miembros

 Cheesy Cheesy Cheesy Cheesy Cheesy
13  Bitcoin / Bitcoin Discussion / Re: Storing money on Smartphone is far more secure than desktop or laptop on: November 23, 2015, 03:07:40 PM
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.
14  Bitcoin / Development & Technical Discussion / Re: VS2015 - how to include secp256k1 in my project? on: October 27, 2015, 05:23:02 PM
You should include the header files but also the .c files to your project's files tree.
15  Bitcoin / Development & Technical Discussion / Re: Should websites refuse to send coins to an already used address? on: October 24, 2015, 09:04:48 PM
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
16  Bitcoin / Development & Technical Discussion / Re: Should websites refuse to send coins to an already used address? on: October 24, 2015, 01:11:58 AM
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
17  Bitcoin / Development & Technical Discussion / Re: Should websites refuse to send coins to an already used address? on: October 23, 2015, 12:52:22 PM
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.
18  Bitcoin / Development & Technical Discussion / Re: How to determine the antiquity of my coins? on: October 21, 2015, 01:26:40 PM
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?
19  Bitcoin / Development & Technical Discussion / How to determine the antiquity of my coins? on: October 20, 2015, 07:58:44 PM
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.
20  Bitcoin / Development & Technical Discussion / Re: DagCoin: a cryptocurrency without blocks on: October 07, 2015, 08:07:56 PM
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.
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