Protocol buffers transform data into a compact binary stream for storage or transmission. In this blog post, we will use a proto definition of a sample message and serialize it to binary data. The sample message​ For our sample we use the following .proto file: syntax = "proto3";message Fruit { int32 weight = 1; string name = 2;} This defines a Fruit message with two fields name and weight. Each of these fields has a type, a name and a field number. We will serialize a simple sample message wi...