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6121  Local / Ελληνικά (Greek) / Re: 12 Φεβρουαρίου Εκδήλωση meetup για το Bitcoin στο INNOVATHENS on: March 17, 2016, 06:38:01 PM
Ανέβηκε και ολόκληρο το video από την παρουσιάση

https://www.youtube.com/watch?v=FiEq4JzT_KU

είμαι λίγο τρακαρισμένος γιατί ήταν η πρώτη φορά που μιλάω μπροστά σε τόσο πολύ κόσμο για τεχνολογικό θέμα  Grin
6122  Local / Altcoins (Ελληνικά) / Re: Ethereum (ETH) on: March 17, 2016, 03:49:13 PM
η κατάσταση με το epic crash στο eth θα ξεκαθαρίσει το βράδυ και στο τι θα αποφασίσουν οι κινέζοι. Αν αποφασίσουν να πουλήσουν τότε θα μιλάμε για πτώση κάτω του 0.02
6123  Bitcoin / Bitcoin Discussion / Re: Retail Giant Overstock to Issue its Own Stock on Blockchain Platform on: March 16, 2016, 10:43:54 PM
something like factom already doing?
6124  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 08:40:34 PM
i talked about here..
6125  Local / Ελληνικά (Greek) / Re: [NEWS] Τα νέα από το www.bitcoin-gr.org on: March 16, 2016, 05:53:22 PM
To Blockchain startup Blockai συγκεντρώνει 547.000 δολάρια από επενδυτές


http://www.bitcoin-gr.org/?p=4921

όταν είχε πρωτοεμφανιστεί αφήναμε μυνήματα στο blockchain όπως γίνεται στο eternal wallet τώρα.
6126  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 04:31:02 PM

first time i read about this scenario. Are you sure about this? Can you prove it?

what part?

ok heres an image to help


A= world wide bitcoin network
B= a mining pools network.
C= a pool, note a pool can be anywhere in the world, does not need physical attachment to a stratum location or asic location
E=a stratum servers, note a stratum can be anywhere in the world, does not need physical attachment to a pool location or asic location
F=a asic miner, note a asic can be anywhere in the world, does not need physical attachment to a pool location or stratum location

ok.. now then the pool(a) handles the transaction validation and decides what transactions it needs to put into a block. it then makes a BLOCKHEADER and sends that over the internet to the stratum servers(d). these stratum servers then over the internet send this small blockheader along with the difficulty required to the asics(f)

please note that that the asics do not receive 1mb of data that is 2000 transactions(based on a full block) they receive a blockheader and a difficulty and they transmit back a possible solution.(said it twice incase you glossed over it)

to clarify:
asics, stratums and pools do not send out every hash attempt to the bitcoin network and pools do not send every transaction to the stratum/asics..

so no matter how many transactions a block may have. an asic does not care, because all they handle is a blockheader and subsequent hashs. not full blocks.
no matter if the asic is in china and the pool is in iceland. an asic does not care, because all they handle is blockheader and subsequent hashs. not full blocks.

so many pools have asic farms in china so they can be just an hour delivery away from the asic manufacturers, rather then days oversea's shipping.
but the POOL server can be anywhere in the world. because what a pool handles (true blocks headers and hashes) vs what the asic handles(headers and hashes) are 2 different things.

ok i can understand what you say. My question is where is the servers of Antpool and other chinese miners if it outside China.
6127  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 04:25:37 PM
and why then dont ban you? Our north korea leader left you as a great example of freedom? Men you must grow up.. There is no evil among us. You must look somewhere else to see where is the enemy. And the enemy come out of bitcoin community and is the traditional financial system that bitcoin break it 100 years  rules.
They will do whatever they can to block and destroy bitcoin.
6128  Local / Ελληνικά (Greek) / Re: 21 Inc on: March 16, 2016, 04:12:40 PM
Άλλη μια πάρα πολύ καλή εφαρμογή παρουσιάσε η 21.inc που έχει να κάνει με την δημιουργία προγράμματος ping σε server τα οποία ping θα πληρώνονται αυτόματα με Bitcoin. Δλδ κάποιος θα μπορεί στην ουσία να νοικιάζει αυτοματοποιημένα τετοια ping για το site του. Δείτε εδώ περισσότερα

https://21.co/learn/ping21-earn-bitcoin-by-monitoring-uptime-and-latency/#step-1-buy-your-first-ping21-from-the-marketplace
6129  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 04:11:04 PM
because with one good vps server you can accept more connections than a home server.

So do you still consider it as a sybil attack by mix of Classic and Core nodes, or you just close the thread to dont continue to spread FUD when you acknowledge yourselves some people are preffering to use good vps server because of better bandwith (and DDoS protection) and not as a intention to attack Bitcoin network ?

Fud is the whining for 6 months about the "death" of bitcoin from a small group of ppl and not this thread. Centralization of bitcoin nodes and attack like this that happen before some hours is a very serious problem and no one can take it so easy.
6130  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 04:07:11 PM
I really like to know and someone from Classic team to inform us how much will cost us per month to use the after fork Coinbase bitcoin version with this big data centers from nodes to relay every day transactions?
6131  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 04:04:49 PM
Attack? I don't see it as an attack. Stop spreading unfounded panic
OP isn't doing that. This is the very definition of a Sybil attack. Maybe it would be best to get more information about it.

mehh, come on now, nobody is falling for anything.

its just couple dozen loud wackos.
Correct. According to the analysis on medium.com there is less than 300 people behind the nodes.

Which is 100 times more decentralized than 3 with Blockstream collaborating people in a totalitarian country.

ok i cant see clear your point now  Grin I think the best playground for you will be /r/btc Tongue


Of course, I prefer the libertarian forums. Only core cheerleaders prefer the totalitarian ones.

how can you keep all this pieces together? You are now in a core control forum that is more libertarian than the Classic control /r/btc/ that is completely trolland... Tongue

You seem to be someone for the forums run by the owner of r/northkorea (aka r/bitcoin) and bitcointalk.org

In this "northkorea" forum you have much more freedom from Classic forum to say whatever you like. How you explain this if in your theory all core works for blockstream and alltogether want to corrupt bitcoin freedom?
6132  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 04:01:01 PM
because with one good vps server you can accept more connections than a home server.
6133  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 03:50:26 PM
Attack? I don't see it as an attack. Stop spreading unfounded panic
OP isn't doing that. This is the very definition of a Sybil attack. Maybe it would be best to get more information about it.

mehh, come on now, nobody is falling for anything.

its just couple dozen loud wackos.
Correct. According to the analysis on medium.com there is less than 300 people behind the nodes.

Which is 100 times more decentralized than 3 with Blockstream collaborating people in a totalitarian country.

ok i cant see clear your point now  Grin I think the best playground for you will be /r/btc Tongue


Of course, I prefer the libertarian forums. Only core cheerleaders prefer the totalitarian ones.

how can you keep all this pieces together? You are now in a core control forum that is more libertarian than the Classic control /r/btc/ that is completely trolland... Tongue
6134  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 03:39:28 PM
 Choopa, LLC disappear from node count almost completely and from 1000+ nodes today has only (48)! Tongue
6135  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 03:39:22 PM
 Choopa, LLC disappear from node count almost completely and from 1000+ nodes today has only (48)! Tongue
6136  Local / Ελληνικά (Greek) / Re: Classic Failed on: March 16, 2016, 03:38:30 PM
To sybil παραμένει βέβαια αν και εξαφανίστηκε τελείως από τον χάρτη των 5 πρώτων server provider από τα classic το  Choopa, LLC και από πριν λίγες ώρες ξεπερνούσε τα 100 τώρα έχει μόνο (48) Tongue Έλεος
6137  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 03:35:21 PM
Attack? I don't see it as an attack. Stop spreading unfounded panic
OP isn't doing that. This is the very definition of a Sybil attack. Maybe it would be best to get more information about it.

mehh, come on now, nobody is falling for anything.

its just couple dozen loud wackos.
Correct. According to the analysis on medium.com there is less than 300 people behind the nodes.

Which is 100 times more decentralized than 3 with Blockstream collaborating people in a totalitarian country.

ok i cant see clear your point now  Grin I think the best playground for you will be /r/btc Tongue

And new pic. All the Classic nodes admin go for vacation today alltogether..

6138  Bitcoin / Bitcoin Discussion / Re: All new nodes are virtual server ... attack in progress to switch to 2Mb on: March 16, 2016, 03:22:47 PM
How can anyone support those who place 95% of their nodes in tech clouds that can be eliminated with a phone call?

Many Classic nodes are in tech clouds because of well protection against denial service of attacks which small block criminals rountinely attacking Classic nodes. I cant understand who continue support Core and their BorgStream overlords anymore, all I see are FUDsters and denial of service attack criminals. Or any honest Core supporteer who preffer competetion and dont feed FUDsters left here ?

The most strange is that there are still guys that support Coinbase, Armstrong or to transfer bitcoin develop to only three developers.. lol.
6139  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 03:20:05 PM
my bad english cant help to answer to you but you are very wrong with what you say. Big block create many problems especially to miners and especially to relay problems. They all know this in mining system and they find it with through the recent spam attack.
Is not only a deal with blockstream or evil core team.  Is a deal because they have a very serious tech reason behind it./

1. POOLS handle the tx validations and propagation, not the individual miners(asics).. in china. there are warehouses of miners(asics) but the pool handling the proper data are in iceland switzerland, america etc.
miners are just handed a piece of data AFTER the pool has combined and validated a few thousand txs, the asics job is then to hash out a piece of data that is not the whole block.. they contain no hard drives, the asics do not check balances or signatures. they just hash a small piece of data over and over. again it is the pools central server that does all of that and the pools central server is not hindered by the chinese fire wall because they dont have the pool server in china.

the ASIC miners are in china because they want the factory very close to the manufacturer to save hours/days on delivery of new units.

EG
i can join eligius pool which is not hosted in china, using an asic miner held in china. and the china firewall will not restrict my miner in any way because the data my miner handles is not the same data the pool handles.

anyone else debating the bloat argument should really compare 2mb old style txs to a blockstream roadmapped segwit+confidential payment codes and see that its blockstream that are more bloated and offering less transactions per megabyte

first time i read about this scenario. Are you sure about this? Can you prove it?
6140  Bitcoin / Bitcoin Discussion / Re: Bitcoin Network is under sybil attack on: March 16, 2016, 03:18:16 PM
Nodes is a very important part of bitcoin ecosystem and the last defend in malicious attack from miners. For example in 51% malicious attack nodes can prevent the miner to destroy the network. In a hard fork scenario again nodes can block to relay the the new blocks and transactions.
The other danger think with such a sybil attack is that someone can easy use all of this nodes to get some informations from bitcoin transactions like to identify from where this transactions came from

thank you for this explanation, I think I understand more about nodes.  In regards to the last sentence - Aren't transactions traceable to someones identity anyway?

it happens before in tor network where a successfully sybil attack from Fbi, NSA? was id the users of the network. I am very sure the same can happen and to bitcoin network and recover transactions id especially from thin wallet that has the flaw to connect to only to few nodes
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