Since its inception, leading smart contract platform Ethereum has been facing issues with scalability and network congestion. With a roadmap recently revealed, Ethereum 2.0 and second-layer scaling solutions are now on the way.

What’s New and Who’s Building Ethereum 2.0?

Developers at decentralized Ethereum proof-of-stake (PoS) pool Rocket Pool published a rough outline of the Ethereum 2.0 roadmap, according to a blog post.

The Ethereum 2.0 mainnet will feature second-layer scaling solutions, such as Plasma and Sharding, and will combine key projects to achieve a PoS consensus mechanism.

In addition to client improvements, Ethereum 2.0 will offer an ecosystem of open-source software that includes new smart contract languages, RPC libraries and development tools.

Co-Founder Joseph Lubin: ‘Ethereum Entering Phase 2’
Related: Co-Founder Joseph Lubin: ‘Ethereum Entering Phase 2’

Through updates to scalability and efficiency, Ethereum 2.0 hopes to enhance transaction throughput and become a “platform for new economic systems.”

Given its emphasis on decentralization, Ethereum 2.0 will be built on multiple levels by several Ethereum software developer groups.

PegaSys, the protocol engineering group at ConsenSys, is also playing a key role in developing aspects of Ethereum’s Sharding client. Other software developer groups working on Shard clients and Beacon Chain protocols include: Prysmatic Labs, Sigma Prime, Satuts, Chain Safe Systems, Ether Camp and Trinity Team.

Darren Langley, a senior blockchain developer at Rocket Pool, noted conversations around developing a common testing language for Ethereum 2.0:

“An essential process being discussed is the need for a common testing language that encodes test cases — enabling researchers to define a bunch of tests with expected results that each team can use to validate their implementation against the specification, providing consistency across the different teams.”

The official launch date of the Ethereum 2.0 client has not been disclosed.

Ethereum’s Second-Layer Scaling Solutions

Sharding is a scaling solution that uses shards, or micro-chains, to process separate types of transactions on the Ethereum blockchain–requiring only a group of nodes to verify relevant transactions rather than the entire network.

Similar to Bitcoin’s Lightning Network, Plasma adds a second layer of off-chain branches to the Ethereum main chain to process high-volume, intensive smart contract protocols more quickly, updating the base layer only when transactions are complete.

On July 10, Ethereum co-founder Joseph Lubin described the layer-two systems built atop the Ethereum main chain at RISE, Asia’s largest Tech conference:

“[Ethereum is moving] into a space where it can serve as the layer one trust system, and built into Ethereum we’ll have hundreds of thousands of transactions in the layer two systems and we’re going to see that ramified this year.”

Each second-layer system is meant to improve scalability on the platform by running dApps independently from the Ethereum main chain.

Ethereum will become a base layer for dApps built on its second-layer sidechains, allowing dApps to maintain the Ethereum protocol’s security while operating independently to avoid network congestion.

Cover Photo by Jannes Glas on Unsplash

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Jonathan Kim Author

Jonathan Kim

Jonathan Kim is a University of Washington student of Finance and cryptocurrency investor with a deep interest in the emerging industry of blockchain applications and cryptocurrency trading. His past experiences involve publishing original daily content for blockchain startups and trading cryptocurrencies using technical analysis principles.

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