Geth stores all blockchain data in LevelDB database that stores value in key-value pair. We normally do not need to access these data files because geth provides many utilities to interact with underlying data structure. But, just to understand how geth stores data, let's hack a little bit....

What is Ethereum light node? Ethereum light node protocol is big step towards bringing the Ethereum client to small devices with limited hardware resources. Details of light client protocol can be found at GitHub. Go-Ethereum or Geth 1.8.1 has an experimental implementation of light protocol. Lets have a look in detail. Installing Geth First you need to install geth. You can follow the instruction here about geth installation. $geth version Geth Version: 1....

(PS: Installation steps here are for older version of geth but steps remains same expect go-lang version. You need go-lang 1.8 to run 1.8 version of geth.) Geth is the the command line interface for running a full ethereum node implemented in Go. I am going to be talking about how to install geth on ubuntu on 16.10. Lets check out the ubuntu version.... It is good to avoid root user to...