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Ethereum's main testnet set for proof-of-stake merge in early June


www.theblock.co 18 May 2022 16:20, UTC
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Quick Take

  • Ethereum’s public testnet, Ropsten, is set to go through “the merge” as one of the final preparations for the switch to proof-of-stake.
  • This test merge of the current proof-of-work chain with the new proof-of-stake one is expected to take place on June 8.

Ethereum's main public testnet, Ropsten, is set to undergo "the merge" next month in one of the final preparations before the main Ethereum blockchain can switch to proof-of-stake consensus. 

The merge is Ethereum's long-awaited move to becoming a proof-of-stake blockchain, under which the current proof-of-work chain will merge with the new proof-of-stake one. It's a big change and there have been multiple tests to see whether it will work. The move to do so on Ethereum's main public testnet is one of these final checks.

When it comes to testing, such a transition happens in two parts. First a genesis version of the consensus layer is created, then the network — in this case the Ropsten testnet — goes through the merge. The first part will take place on May 30, while the merge is estimated to take place on June 8.

"Merging Ropsten is a huge testing milestone towards Ethereum's mainnet merge later this year," said Preston Van Loon, an Ethereum core developer at Prysmatic Labs, on Twitter.

Anthony Sassano, co-founder of the Ethereum research tool EthHub, told The Block that the public testnet going through the merge transition is the final stage before it happens on the main Ethereum blockchain. "I believe there will be three public testnets run through the transition and if all goes smoothly then mainnet will be scheduled shortly after," he said.

Sassano estimated that the merge on mainnet could happen as early as August but stressed that this is his own guess and no official timeline has been presented.


© 2022 The Block Crypto, Inc. All Rights Reserved. This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.


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