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Extra Nuances to Node Handshake.

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Josh Green
2019-12-26 10:28:40 -05:00
committed by bitcoin
parent a44380478e
commit 6fa0896789
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protocol/network/node-handshake.md
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@@ -38,3 +38,9 @@ Remote->>Local: Verack
Local->>Remote: Verack
Note Right of Remote: #35;4
```
The Remote Node may send a `Verack` message before it sends its own `Version` messages.
A Node may only send a `Version` message once.
Although a Node may connect to itself, it is usually undesired. Nodes typically check for a connection to itself by checking if the `nonce` provided by a `Version` message is a nonce it has used recently.