An overview of the timeline of Ethereum's major events in 2021

 

First quarter of 2021 (January to March)

• March 18th-Rocketpool final beta test. in progress.

• March 24-Hermez goes live. Now Tether can be cast on the second layer of the Ethereum network.

• March 24th-Eth1 Rinksby testnet Berlin upgrade. The final stage of testing before April 14. Everything is in plan.

The second quarter of 2021 (April to June)

• April 14th-Eth1 Berlin upgrade. Track progress here.

• Mid-April-RocketPool mainnet launch. Decentralized pledge service!

• April-The next stage of Immutable X goes online-opening the market. It means a lot to NFT.

• April-The first bridge of Optimism / DAI. Cancel the first phase of the 7-day optimistic rollup withdrawal lock-up period.

• April-Coinbase pledge service goes online and the company goes public

• Late April-Optimism public testnet goes online.

• April-Arbitrum optimistic rollup mainnet (according to their announcement of v4 candidate testnet)

• April-zkSync 1.x tradeable tokens in the second-tier network.

• May-Uniswap v3

• Mid-May-Uniswap launches optimistic rollup. Hayden said in this tweet that it will be May 12.

• May-zkSync 2.0 goes online on the public testnet

• May-zkSync 1.x NFT casting and transfer

• June-Altair-Eth2 beacon chain/client upgrade, formerly known as HF1

• June 15-Pass/Fail Hawaii 2022

• The detailed specification of the merger. The normative PR already exists!

• Synthetix v3/ Synthetic Token Exchange on Layer 2-SNX/ Optimisim Migration Phase 1

• Connext P2P network release

• StarkNet planetary phase is released. Single App Rollups

3rd quarter of 2021 (July to September)

• July-London upgrade-Eth1 upgrade, incorporating EIP-1559 and ice age delay

• July-Optimism public mainnet launch

• August-zkSync 2.0 mainnet released. Realize zk rollup of 20,000 transactions per second.

• Eth1/Eth2 combined product testing.

• Optimsim realizes fast withdrawal through MakerDao

• StarkNet constellation stage is released. Zk rollup of multiple apps

• Argent uses zk rollup to achieve two-layer expansion

The fourth quarter of 2021 (October to December)

• Shanghai upgrade-possible Eth1/Eth2 merger

• The StarkNet universe phase is released. Decentralized zk rollup.

1st quarter of 2022 (January to March)

• Ethereum upgrade implements validator withdrawal/cleanup after merger.

2022 TBC

• Eth2 sharding

• Eth2 light client

• June 21-30-Hawaii 2022