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Edited ch10.asciidoc with Atlas code editor

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nadams 2017-05-18 13:06:01 -07:00
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@ -804,7 +804,7 @@ Forks are almost always resolved within one block. While part of the network's h
All nodes that had chosen "triangle" as the winner in the previous round will simply extend the chain one more block. The nodes that chose "upside-down triangle" as the winner, however, will now see two chains: star-triangle-rhombus and star-upside-down-triangle. The chain star-triangle-rhombus is now longer (more cumulative work) than the other chain. As a result, those nodes will set the chain star-triangle-rhombus as the main chain and change the star-upside-down-triangle chain to a secondary chain, as shown in <<fork5>>. This is a chain reconvergence, because those nodes are forced to revise their view of the blockchain to incorporate the new evidence of a longer chain. Any miners working on extending the chain star-upside-down-triangle will now stop that work because their candidate block is an "orphan," as its parent "upside-down-triangle" is no longer on the longest chain. The transactions within "upside-down-triangle" are re-inserted in the mempool for inclusion in the next block, because the block they were in is no longer in the main chain. The entire network reconverges on a single blockchain star-triangle-rhombus, with "rhombus" as the last block in the chain. All miners immediately start working on candidate blocks that reference "rhombus" as their parent to extend the star-triangle-rhombus chain.
[[fork5]]
[[fork4]]
[role="smallereighty"]
.Visualization of a blockchain fork event: a new block extends one fork, reconverging the network
image::images/mbc2_1005.png["Visualization of a blockchain fork event: a new block extends one fork"]