Ethereum 2.0 Developers Announce ‘Final’ Testnet Before Network Launch

Ethereum 2.0 Developers Announce ‘Final’ Testnet Before Network Launch

(Preston van loon, Prysmatic labs/CoinDesk Archives)

Ethereum 2.0 developers released the specifications for the “official” testnet on Wednesday, ahead of a presumed end-of-year launch. The testnet will begin August 4 and has been named “” after the Buenos Aires metro stop.

In this case, “official” means the testnet is by the Ethereum Foundation (EF). The testnet is still run by a decentralized group of programmers, developers and code auditors organized by fork coordinator Afri Schoedon. 

Official also means the network’s code base is nearing ready for launch as investors and developers have begun to itch for the multi-year project’s release. Eth 2.0 researcher Justin Drake a unilateral effort to get the first part of the network shipped before the year’s close due to pushback on a later date.

Medalla joins multiple prior tests of Eth 2.0’s code bank on various client implementations, including Görli, Witti, Schlesi and most recently Altona.

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“The Schlesi testnet was one of many steps in that direction. The Witti testnet was another. The Altona testnet is yet another. The Medalla testnet aims to be the final one prior to mainnet launch,” Schoedon said in the testnet Wednesday. 

Clients by Prysmatic Labs (Prysm), PegaSys (Teku), Status (Nimbus) and Sigma Prime (Lighthouse) have participated in all the most recent testnets. All four clients plus one, Chainsafe’s Loadstar, have the ability to join Medalla, the GitHub reads.

Each testnet, furthermore, has chosen to practice or focus on different parts of Eth 2.0’s launching sequence, given the enormous technical challenges associated with moving a running blockchain network onto an entirely different consensus algorithm.

In the case of Medalla, the testnet will focus on improving the experience for moving ether (ETH) over to the new network in what is called “staking.” As Schoedon explained:

Eth 2.0 developers have also recently released guidelines for “” complete with $5,000 bounties for stress testing the network. 

The attacknets will help finalize each client’s specification – written in different programming languages – before launch. 

Eth 2.0 developers have pushed for a multi-client release of the project due to lessons learned from the current Ethereum network. The original network launched with a , but grew to be by only one, Geth. Developers are taking their time given some clients could be buggy, a situation which will hopefully be ironed out by the test and attacknets.

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“Based on the current progress of the different teams my guess is that it will replace Altona and be live in early September,” Quantstamp CEO Richard Ma said in a private message. “That allows for three months of final testing before launch. Medalla is the final pre-launch network.”

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Update (July 22, 22:00 UTC): Ethereum launched with more than one client, as previously stated in the article. The information has been updated.

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