[DOC] Update readme (ethereum#1)

README.md

@@ -9,8 +9,9 @@ https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/6874
 [![Travis](https://travis-ci.com/ethereum/go-ethereum.svg?branch=master)](https://travis-ci.com/ethereum/go-ethereum)
 [![Discord](https://img.shields.io/badge/discord-join%20chat-blue.svg)](https://discord.gg/nthXNEv)
 
-Automated builds are available for stable releases and the unstable master branch. Binary
-archives are published at https://geth.ethereum.org/downloads/.
+## ZK-Rollup
+
+ZK-Rollup adapts the Go Ethereum to run as Layer 2 Sequencer. The codebase is based on v1.10.13.
 
 ## Building the source
 
@@ -68,7 +69,7 @@ This command will:
    causing it to download more data in exchange for avoiding processing the entire history
    of the Ethereum network, which is very CPU intensive.
  * Start up `geth`'s built-in interactive [JavaScript console](https://geth.ethereum.org/docs/interface/javascript-console),
-   (via the trailing `console` subcommand) through which you can interact using [`web3` methods](https://web3js.readthedocs.io/) 
+   (via the trailing `console` subcommand) through which you can interact using [`web3` methods](https://web3js.readthedocs.io/)
    (note: the `web3` version bundled within `geth` is very old, and not up to date with official docs),
    as well as `geth`'s own [management APIs](https://geth.ethereum.org/docs/rpc/server).
    This tool is optional and if you leave it out you can always attach to an already running