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Author Topic: BITMAIN announces Antpool  (Read 381791 times)
ezeminer
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April 01, 2015, 09:31:45 PM
 #541

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

An oprhaned block is a block that wasn't actually accepted into the blockchain.

It usually is caused by the longer chain accepting the block because more work and effort was put forth compared to your block.

Quote from: en.bitcoin.it
An orphan block is a block that doesn't have a known parent in the longest chain.

Not to be confused with a stale block, which is a well-formed block which is no longer part of the difficultywise-longest well-formed blockchain.

The block reward in a staled block is no longer spendable on the difficultywise-longest well-formed blockchain; therefore whoever mined that block does not actually get the reward (or the transaction fees). This phenomenon must be taken into account by mining pools that use any payout strategy other than "proportional".

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aurel57
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April 01, 2015, 10:16:51 PM
 #542

Can anybody get logged in on a IPhone or IPad? if so please tell me how. Thanks
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April 01, 2015, 11:11:48 PM
 #543

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

An oprhaned block is a block that wasn't actually accepted into the blockchain.
True.
It usually is caused by the longer chain accepting the block because more work and effort was put forth compared to your block.
Not true.  There wasn't more work and effort put into the solution of that other block.  It's a majority consensus.  You and I both solve block number 12345.  I submit my block to the network.  You also submit yours.  If more nodes accept your version of the chain, then my block becomes orphaned.  I say to a node, "Hi, here's block 12345".  That node says, "I've already got 12345, you need to update yourself with my copy."  Eventually every node has your copy of the chain and my poor block 12345 no longer has a parent on the chain (the block it claimed as its parent has already been linked to your block) and is orphaned.

Jonny's Pool - Mine with us and help us grow!  Support a pool that supports Bitcoin, not a hardware manufacturer's pockets!  No SPV cheats.  No empty blocks.
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April 01, 2015, 11:29:38 PM
 #544

Thanks,  This stuff is slow to soak in.

Tom
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April 01, 2015, 11:30:22 PM
 #545

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

Has no one heard of google?  95% of questions asked online can be answered by typing them into google:
https://www.google.com/search?q=what+it+means+for+a+block+to+get+orphaned
MyRig
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April 02, 2015, 12:11:55 AM
 #546

P2pool is a tough one to make it work for the engineers.

Hashrate drop...  Spring Maintenance and Migration of miners to Bitmain Own facility from Umisoo.com facility.  Missing hash power will be back in a few days!!

Some customers received email from Umisoo.com regarding the spring cleaning and migration

Antminer & DragonMint Repair  E-mail: support@myrig.com   T: @MyRig_com
Return Address: MyRig 3700 Quebec Street, Unit 100-239, Denver, Colorado 80207, USA
kano
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April 02, 2015, 01:20:14 AM
 #547

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

An oprhaned block is a block that wasn't actually accepted into the blockchain.
True.
It usually is caused by the longer chain accepting the block because more work and effort was put forth compared to your block.
Not true.  There wasn't more work and effort put into the solution of that other block.  It's a majority consensus.  You and I both solve block number 12345.  I submit my block to the network.  You also submit yours.  If more nodes accept your version of the chain, then my block becomes orphaned.  I say to a node, "Hi, here's block 12345".  That node says, "I've already got 12345, you need to update yourself with my copy."  Eventually every node has your copy of the chain and my poor block 12345 no longer has a parent on the chain (the block it claimed as its parent has already been linked to your block) and is orphaned.
Actually, it's even simpler than that.
It's who makes the NEXT block that decides which one wins (and which is orphaned)
The block they built off becomes the winner.
Of course the statistics of it says that it is most likely to be the block being built on by the most miners, but that is just probability.

Also of course, the orphan process can continue for more than one block, if yet again the next block has 2 candidates built off the 2 original 12345 blocks - but that is very rare - but still works the same way.

What happens at a pool (or on a solo miner) is that it will submit a block to it's peers and then work on the next one.
It will base the new work on the block it submitted to the network.
If the pool (or solo miner) also happens to find the next block before anyone else, then even if they were the only ones mining off their block, it will still make them the winner.

It really boils down to who gets the next (or the next, or the next ...) block out first that decides it all.

Edit: this also, though may not be obvious, explains how a 51% works Smiley

Pool: https://kano.is Here on Bitcointalk: Forum BTC: 1KanoPb8cKYqNrswjaA8cRDk4FAS9eDMLU
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Help keep Bitcoin secure by mining on pools with full block verification on all blocks - and NO empty blocks!
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April 02, 2015, 02:14:11 AM
 #548

It seems to mess up the percentage of luck calculation some because the time it took to get from the last good block to the orphaned block is no longer counted in the time it takes to get to the next good block.

Any recommendations on a book I could buy and read to get more up to speed on this stuff?  I red a couple introductory books that did not get into these details.  I think the overall concept of blockchain, something I only heard of a few weeks ago, is going to open up a whole new world.

And thanks "Mikestang" for your helpful suggestion on Google.  I'll have to try that out sometime.    Kiss
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April 02, 2015, 12:45:11 PM
 #549

Can anybody get logged in on a IPhone or IPad? if so please tell me how. Thanks

It works now.
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April 02, 2015, 01:06:16 PM
 #550

P2pool is a tough one to make it work for the engineers.

Hashrate drop...  Spring Maintenance and Migration of miners to Bitmain Own facility from Umisoo.com facility.  Missing hash power will be back in a few days!!

Some customers received email from Umisoo.com regarding the spring cleaning and migration

Thank you for being transparent on what it was Smiley.  I appreciate you telling us and not keeping us in dark.

Looks like it's back up now on hashrate.
ezeminer
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April 02, 2015, 01:11:34 PM
 #551

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

An oprhaned block is a block that wasn't actually accepted into the blockchain.
True.
It usually is caused by the longer chain accepting the block because more work and effort was put forth compared to your block.
Not true.  There wasn't more work and effort put into the solution of that other block.  It's a majority consensus.  You and I both solve block number 12345.  I submit my block to the network.  You also submit yours.  If more nodes accept your version of the chain, then my block becomes orphaned.  I say to a node, "Hi, here's block 12345".  That node says, "I've already got 12345, you need to update yourself with my copy."  Eventually every node has your copy of the chain and my poor block 12345 no longer has a parent on the chain (the block it claimed as its parent has already been linked to your block) and is orphaned.
Actually, it's even simpler than that.
It's who makes the NEXT block that decides which one wins (and which is orphaned)
The block they built off becomes the winner.
Of course the statistics of it says that it is most likely to be the block being built on by the most miners, but that is just probability.

Also of course, the orphan process can continue for more than one block, if yet again the next block has 2 candidates built off the 2 original 12345 blocks - but that is very rare - but still works the same way.

What happens at a pool (or on a solo miner) is that it will submit a block to it's peers and then work on the next one.
It will base the new work on the block it submitted to the network.
If the pool (or solo miner) also happens to find the next block before anyone else, then even if they were the only ones mining off their block, it will still make them the winner.

It really boils down to who gets the next (or the next, or the next ...) block out first that decides it all.

Edit: this also, though may not be obvious, explains how a 51% works Smiley

Thanks kano! You know this stuff better than I ever will Cheesy

jonnybravo0311
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April 02, 2015, 01:17:05 PM
 #552

Someone please explain to me how and what it means for a block to get orphaned.

Thanks,

Tom

An oprhaned block is a block that wasn't actually accepted into the blockchain.
True.
It usually is caused by the longer chain accepting the block because more work and effort was put forth compared to your block.
Not true.  There wasn't more work and effort put into the solution of that other block.  It's a majority consensus.  You and I both solve block number 12345.  I submit my block to the network.  You also submit yours.  If more nodes accept your version of the chain, then my block becomes orphaned.  I say to a node, "Hi, here's block 12345".  That node says, "I've already got 12345, you need to update yourself with my copy."  Eventually every node has your copy of the chain and my poor block 12345 no longer has a parent on the chain (the block it claimed as its parent has already been linked to your block) and is orphaned.
Actually, it's even simpler than that.
It's who makes the NEXT block that decides which one wins (and which is orphaned)
The block they built off becomes the winner.
Of course the statistics of it says that it is most likely to be the block being built on by the most miners, but that is just probability.

Also of course, the orphan process can continue for more than one block, if yet again the next block has 2 candidates built off the 2 original 12345 blocks - but that is very rare - but still works the same way.

What happens at a pool (or on a solo miner) is that it will submit a block to it's peers and then work on the next one.
It will base the new work on the block it submitted to the network.
If the pool (or solo miner) also happens to find the next block before anyone else, then even if they were the only ones mining off their block, it will still make them the winner.

It really boils down to who gets the next (or the next, or the next ...) block out first that decides it all.

Edit: this also, though may not be obvious, explains how a 51% works Smiley
Thanks for explaining it in even better terms than I did!

Jonny's Pool - Mine with us and help us grow!  Support a pool that supports Bitcoin, not a hardware manufacturer's pockets!  No SPV cheats.  No empty blocks.
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April 02, 2015, 06:32:08 PM
 #553

@Kano,

Thank you SIR!!  Nice Explanation, easy to understand!


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April 02, 2015, 07:39:54 PM
 #554

And thanks "Mikestang" for your helpful suggestion on Google.  I'll have to try that out sometime.    Kiss

You're welcome, always happy to help an eager mind.   Tongue
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April 03, 2015, 05:59:02 AM
 #555

 be careful to purchase material from bitmain, I bought 4x antminer s5, 2 paid by bank transfer, and 2 with bicoin, I have made three separate expedition, I wanted to pay 3 times the expedition, three times the customs, 380 euro of taxes, my miner are blocked by Italian customs because they noticed three different expeditions always the same person, that if bitmain had sent all 4 miner in only shipment would have paid much less, I sent an email asking for a refund of the money more than I paid, and they said he's sorry but they could not do anything, not even a coupon, then notify all the people who shop on bitmain to be careful. sorry for my english (google translador). Huh Huh Huh Huh Huh
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April 03, 2015, 07:45:09 AM
 #556

be careful to purchase material from bitmain, I bought 4x antminer s5, 2 paid by bank transfer, and 2 with bicoin, I have made three separate expedition, I wanted to pay 3 times the expedition, three times the customs, 380 euro of taxes, my miner are blocked by Italian customs because they noticed three different expeditions always the same person, that if bitmain had sent all 4 miner in only shipment would have paid much less, I sent an email asking for a refund of the money more than I paid, and they said he's sorry but they could not do anything, not even a coupon, then notify all the people who shop on bitmain to be careful. sorry for my english (google translador). Huh Huh Huh Huh Huh

This is wrong thread to vent but:

I'm sorry to hear about your problems.  Personally I have always had good luck with Bitmain.  For customer service on order's email: info@bitmaintech.com

On custom's you can not blame Bitmain for that.  That would be something they have zero control over.  Also it sounds like different orders since one paid with bank transfer other bitcoin.  So it showing at customs as multiple orders I would guess is right.

I suggest looking into hosting centers if your country has a big vat.  Bitmain really cannot pay your vat, buyers should know about it before buying.  I think it is up to customer to know your countries import laws. 

On thread:

As far as pool it's working great!  Thanks Bitmain for putting so much work into it.
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April 04, 2015, 09:03:42 PM
Last edit: April 04, 2015, 09:45:06 PM by aurel57
 #557

WOW Block 350738   took 1 sec .10%

also 4 out of the last 5 blocks.

EDIT: Something looks screwy as its says 190PH/s??? how did the hash go up x4 in 1 sec?? That can't be right...cut everyone pay by 4??
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April 04, 2015, 09:20:15 PM
 #558

WOW Block 350738   took 1 sec .10%

also 4 out of the last 5 blocks.

EDIT: Something looks screwy as its says 190PH/s??? how did the hash go up x4 in 1 sec?? That can't be right...cut everyone pay by 4??

True dat!

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April 04, 2015, 09:27:51 PM
 #559

Some kind of error as I got the same payout for the block as the one before it.
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April 04, 2015, 09:33:06 PM
 #560

Some kind of error as I got the same payout for the block as the one before it.

its not an error, read about how payouts are determined before posting.



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