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CH02::propagation: mention non-node relay and s/flooding/gossiping/

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- Alice can send her transaction to software that will forward it to a
  node for her.  This is very common today.

- Previous text used the term "flooding" but the more common phrase for
  this particular propagation technique is "gossiping".
This commit is contained in:
David A. Harding 2023-02-04 16:48:29 -10:00
parent 8aa01e03aa
commit fddaace478
1 changed files with 4 additions and 2 deletions
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ch02.asciidoc
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@ -487,14 +487,16 @@ called "full verification nodes", or _full nodes_ for short.
Alice's wallet application can send the new Alice's wallet application can send the new
transaction to any Bitcoin node it is connected to over any type of transaction to any Bitcoin node it is connected to over any type of
connection: wired, WiFi, mobile, etc. Her bitcoin wallet does not have connection: wired, WiFi, mobile, etc. It can also send the transaction
to another program (such as a block explorer) that will relay it to a
node. Her bitcoin wallet does not have
to be connected to Bob's bitcoin wallet directly and she does not have to be connected to Bob's bitcoin wallet directly and she does not have
to use the internet connection offered by the cafe, though both those to use the internet connection offered by the cafe, though both those
options are possible, too. ((("propagation", "flooding options are possible, too. ((("propagation", "flooding
technique")))((("flooding technique")))Any Bitcoin node that receives a technique")))((("flooding technique")))Any Bitcoin node that receives a
valid transaction it has not seen before will immediately forward it to valid transaction it has not seen before will immediately forward it to
all other nodes to which it is connected, a propagation technique known all other nodes to which it is connected, a propagation technique known
as _flooding_. Thus, the transaction rapidly propagates out across the as _gossiping_. Thus, the transaction rapidly propagates out across the
peer-to-peer network, reaching a large percentage of the nodes within a peer-to-peer network, reaching a large percentage of the nodes within a
few seconds. few seconds.