Learn about Ethereum blockchain development
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In our previous article (How Proof-of-Stack Consensus Works in Ethereum), we covered how the Proof-of-Stack consensus is used in Ethereum.
In this article, we discuss the roadmap for implementing version 2 of Ethereum.
The Ethereum community intends to fundamentally address Ethereum scalability issues with the release of Ethereum 2.0. It is a massive undertaking to incorporate all these scaling techniques into Ethereum.
The following diagram shows the Ethereum's roadmap to the Serenity release, Ethereum 2.0:
It is going to be a phased approach since there are too many moving parts. Some are foundational capabilities that need to be done early to facilitate the move to sharding and the pure PoS consensus protocol, the Casper CBC. The following list explains each phase:
In this phase, someone can be a validator by making a one-way 32 ETH transaction to a deposit contract on Ethereum 1.0. Once the required activation balance is reached, and the deposit receipts are processed by the beacon chain, it will be added to the validator activation queue. Activation as a validator happens after a queuing process. Exit is either voluntary or done forcibly as a penalty for misbehaviors.
The RANDAO contract is included in this phase, which enables validators to create random numbers (RNG) in block proposals, and organize into proposers and attestation committees from the output of the RNG, and creating crosslinks for stubbed shards.
In our next article (How to work with Decentralized Data and Content Storage in Ethereum), we discuss how to work with decentralized data and content storages like IPFS or BigChainDB in Ethereum.
This article is written in collaboration with Brian Wu who is a leading author of “Learn Ethereum: Build your own decentralized applications with Ethereum and smart contracts” book. He has written 7 books on blockchain development.
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