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2019-12-09 18:24:44 -05:00
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protocol/network/messages/version.md
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# Handshake: Version (“version”) # Handshake: Version (“version”)
The version message is a part of the node connection [handshake](/protocol/network/node-handshake) and indicates various connection settings, networking information, and the services provided by the sending node (see Services Bitmask [below](#services-bitmask)). The version message is a part of the node connection [handshake](/protocol/network/node-handshake) and indicates various connection settings, networking information, and the services provided by the sending node (see Services Bitmask [below](#services-bitmask)).
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## Version ## Version
The most recent version of the network protocol is `70015`. The `version` value often correlates to new behavior, parsing formats, and available services; for more details review the network protocol's [version history](/archives/protocol/network/version-history). Node's should use `version` and the `services` bitmask to determine if the node should accept the incoming connection. Related: [node connection handshake](/protocol/network/node-handshake). The most recent version of the network protocol is `70015`. The `version` value often correlates to new behavior, parsing formats, and available services; for more details review the network protocol's [version history](/history/protocol-version). Nodes should use `version` and the `services` bitmask to determine if the node should accept the incoming connection. Related: [node connection handshake](/protocol/network/node-handshake).
## Services Bitmask ## Services Bitmask
The services field is an 8 byte little-endian-serialized bitfield that described peer capabilities. The following capabilities are defined, by bit position: The services field is an 8 byte little-endian-serialized bitfield that described peer capabilities. The following capabilities are defined, by bit position: