If the users tx is inside the stale block, the tx will return to the mempool (get cancelled). The user need to wait until next miner pick it up the tx again. User can experience long pending time because of this.
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What do you mean by unspent transactions? These transactions were at least tried to get spent by someone, but got returned to the mempool 
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What happens in the bitcoin network when two miners solve a block at the same time?
In this case, 2 versions of the ‘truth’ or blockchain exist simultaneously on the network. This situation can only be resolved when the next block comes along for validation. At this point, the version of the chain that successfully validates the new block appends it to their version, and that determines the final state of the blockchain because it represents the chain with the highest pow. -
What is a stale block?
Completely valid blocks that are dropped because they did not get appended to the final validated (highest pow) version of the blockchain return to the mempool as orphan or stale blocks. -
How do stale blocks occur?
If blocks start getting produced at a faster rate, it will result in blocks not having enough time to propagate through the network. Before they propagate completely, new block arrives and begin propagating. So, we have 2 books now competing to join the chain, and eventually one gets dropped resulting in a stale block. To avoid this, the BTC protocol includes the 10-minute block rule - to ensure there is sufficient time for a block to fully propagate to all nodes in the network. -
Why is it important to wait for more than one block to be confirmed when sending or receiving a transaction?
Waiting for multiple confirmations that a block is consistently in the blockchain reduces the probability of a block being dropped at some future point. Waiting for 6 confirmations is considered best practice.
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- If two miners solve a block at the same time, the longest block will win and the shorter block will be considered stale or orphaned
- A Stale Block is the block that has been discarded as the shorter block and all nodes discard this block and confirm the longer block
- Stale blocks occur because two versions have been produced before 6 confirmations, but since the one block is shorter, then nodes propogate to the longer version and the shorter version of the truth becomes the stale block…
- it is important to wait for 6 confirmations to sensure that the network has accepted the block and that the transactions in the block are valid…
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- The miner with the longest chain will win
- Stale or orphaned block happens when the block is mined too quickly and is the shortest block
3.The blocks occur when the block is produced too quickly and has not had an opportunity to be propogated through the network.
4 To make sure that the transaction has been confirmed
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- Both blocks are temporarily part of the blockchain but other miners will choose one to add their block to which will eventually become the longer chain and the other block will be discarded and the transactions will be added back to the mempool.
- A stale block is an orphaned block on the shortest blockchain where there has been another version of the truth that has been accepted by the decentralised nodes.
- Stale blocks occur when two blocks are added to the blockchain at the same time and only the longer chain prospers.
- In case of a stale block occuring and the block holding the transactions is deleted.
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Yes, I think that’s wrong. Let me try again. So a stale block is a block that is not part of the best blockchain because it was overridden by a longer chain.
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- The bitcoin network will temporarily split into two chains.
- A stale block is a valid block on a shorter chain that has been orphaned in favor of a longer chain.
- First, a scenario where the network creates two valid blocks at the same time occurs. Over time, one chain will become longer than the other and will be accepted as the true chain. A stale block occurs when a longer valid chain is preferred over a shorter but also valid chain.
- It is important to wait more than one block confirmation to avoid having your transactions dismissed in a once valid block but now orphaned.
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- There are two valid blocks at the same block height that are both true.
- A stale block is a block that was discarded by the network.
- Stale blocks occur when two blocks are mined at the same time because, in time, the network will choose the block that has the most PoW, and discard the other. Hence the terms stale block and orphan block.
- To make sure your transaction was not in a stale block and consequently put back in the mempool to be mined in a valid block.
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ivanLeader
- What happens in the bitcoin network when two miners solve a block at the same time?
- What is a stale block?
- How do stale blocks occur?
- Why is it important to wait for more than one block to be confirmed when sending or receiving a transaction?
Answers:-
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One will be dropped and all the transactions will be pulled back to a mempool to be processed again when the other block got chosen to continue the blockchain link within the net work.
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Stale block is the block that has been dropped out the blockchain link.
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Stale blocks occur when there there are not enough 6 blocks linked to it and so the chain is considered not long enough.
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To ensure the block does not become a stale block.
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The chain splits 2 and the miner with the block in the longest chain wins and the other block is discarded and considered a stale block.
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A block that was in the blockchain but then got dropped because of another block that was produced at the same time that is part of a longer chain.
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When tow miners mine a block at same time to solve the puzzle a stale block occur.
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It is important to wait for more than one block to be confirmed, wait for 6 blocks to ensure that your block is used and not dropped from the blockchain. The blocks of the loosing chain are returned back to the mempool.
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When two minors solve a block at the same time both blocks are appended to the bitcoin network and propagated through the nodes nearest to the minors. When a third minor solves a block and appends it to the block chain whichever block of the two available they choose to link the newly minted block to, will become the true chain. The other block will be discarded, and all transactions within that block returned to the mempool.
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The discarded block when two blocks are created simultaneously is called the stale (or orphaned) block.
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See my first response.
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It is important to wait at least six confirmations to make sure that your transaction does not end up in a stale block.
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- The next miner decides which block will remain in the blockchain.
- A stale block is a block that was left out of the blockchain, because the next miner chose another one.
- Stale blocks occur when two miners guess the nonce at the same time.
- To make sure your transaction is not dropped due to a stale block.
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- If 2 blocks are mined at the same time, usually the one which has used more power (hash rate) to be solve, should prevail. In case the weaks blocks is picked up by other miners and create a second chain… only it will be the main chain if the following blocks increase the total hash employed in that chain.
It can happen that two parallel chains are mined for a period of time, but at some point the nodes or miners will choose the one with more hash power in it, so the weakest will be dismiss.
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A stale block is one which have been excluded of the chain.
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A block is staled when the network creates another chain longer and excludes the short “branches”.
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In order to be sure your transaction cannot be overwritten because the block where it is included gets cancelled or change, we say you must wait 6 confirmations (blocks mined) because the longer the chain, the more difficult is to re-mine them. Addind difficulty and security to the immutability or your transaction.
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Both miners start propagating that block to the nodes on the chain, then by a chance another miner picks one of them by a chance, appends is with his own new block, starts propagating, and the network will pick up the chain that is longer, at that time the other block will be ignored and dropped
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Stale block is the block that was on the chain but was dropped due to the process described in 1
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When on of the blocks that was appended to the chain is dropped as described in 1, dropped block becomes stale, transactions recorded in it are returned to mempool
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To make sure that your transaction is in the correct version of the chain - the longest one
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If another miner attaches to block B, instead of block A, then from block B’s chain another block will begin to propagate and block A becomes stale and transactions are returned to the mempool.
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Stale blocks are blocks that are made redundant because it becomes a part of the shorter link in the blockchain.
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Stale blocks occur when another miner C. chooses to attach their new block to block B. and their chain continues to propagate which in turn removes the stale block A from the network.
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At least 6 blocks need to be confirmed. By waiting for this, the network can work out which transactions can be processed though the propagated chain and which transactions with be re submitted into the network from being attached to the stale block.
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1). When two miners solve the block at the same time the chain with the hardest difficulty is adopted.
2). A stale or orphaned block is one that was part of a chain that lost out to a longer chain that was universally chosen by the entire network to be the concensus blockchain.
3). They occur when two miners solve their blocks at the same time and only one chain can move forward; the differences between the losing chain and the winning chain are considered stale and will get thrown back into the mempool to be added to a new block.
4). It is important to wait for more than one block because a competing chain could be chosen and your block orphaned.
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1.) The chain splits and contiueswith two ends.
2.) This is a block that is kicked out due to the fork.
3.) When mining and two computers come up with a block at the same time one block becomes “stale.”
4.) When there is divergence into two chains only one continuous and multiple blocks signal the emergence of the chain that will be utilised moving forward.
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When 2 miners solve the puzzle at the same time there will be, at that time, 2 different versions of the blockchain. The nodes closest to each miner carry on as if their version is correct until they hear otherwise. This state will remain in place until one of the miners ‘wins’ by having the longest blockchain.
A stale block is one which has not been validated.
Stale blocks occur after a tie when the losing version of the blockchain has its last block which has not been validated and accepted into the blockchain. When this happens the stale, or orphaned, block goes back in the mempool.
This means it is important to wait for more than one block to be confirmed, otherwise you may find the transaction contained gets cancelled if the block it is part of is a stale one.
The more blocks that are confirmed means the safer it is that the block has been validated.
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True, but why is this important from the perspective of the user that sends or receives a transaction?
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