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Following the successful launch of Ethereum 2.0 Phase 0 – the first concrete step in building the next iteration of the protocol – Ethereum co-founder Vitalik Buterin has released an updated roadmap of what’s to come next for the project.
The current development of Ethereum 2.0 is generally broken down into phases. Phase 0 is the barebones Beacon Chain which allows staking but has no effect on the application layer. Phase 1 introduces horizontal partitioning of data, increasing storage capacities without directly affecting application performance. Finally, Phase 2 fully introduces transaction sharding and enables the thousands of promised transactions per second of throughput.
Buterin said in March that this roadmap template is a vision for the next 5-10 years. The updated version is smoother and eliminates terms like “Phase 1” and “Phase 2” altogether. The defining characteristics of each phase are now more independent of each other and incorporate the work done for Ethereum 1.x.
Buterin’s roadmap includes all Ethereum developments to provide a detailed overview of what’s new for the platform, including approximate completion bars.
The roadmap I created in March has been updated with progress bars (very rough and rough!) Showing what has been done and some of the recent changes to the roadmap itself.
Much has been done, but much remains to be done! pic.twitter.com/4zIK4aTNTh
– vitalik.eth (@VitalikButerin) December 1, 2020
The key features of the next major milestone are the transition of Ethereum 1.0 to proof-of-stake, the introduction of Eth2 lightweight clients on Eth1, and data sharding, all previously grouped in phases 1 and 1.5. An important change in the current roadmap is the awareness that the three phases are largely independent and can be worked on in parallel.
Additionally, huge scalability improvements can be achieved by running the last two features, as they would allow hosting of rollups on a fragmented data structure. Rollups are a layer two technology that offloads the computation outside the chain but ensures its correctness through evidence stored on the chain. Because of this, data sharding greatly increases rollup room to maneuver and could allow for more than 10,000 TPS as lightweight clients and data sharding are introduced.
However, according to Buterin, progress on data partitioning and lightweight clients are still 50% or less, consistent with estimates that Phase 1 will take at least a year to build.
Progress on stateless customers and the Ethereum 1.x initiative is also less than 50%, according to the chart. Even the cryptographic technology of polynomial commitments – which Buterin had previously said is the key to stateless practical clients – is far from complete. Similarly, work towards many other advanced types of cryptographic technology and an improved virtual machine is still in its early stages.
After publishing the roadmap, Buterin urged rapid implementation of EIP-1559, a proposal to burn off most of the transaction fees collected by the protocol instead of offering them to miners.
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