The much anticipated Ethereum (ETH) integration is about to happen. However, after switching to proof-of-stake, the developers have opted to concentrate their efforts on maintaining only two testnets.

Goerli and Sepolia testnets have been designated as appropriate for the merging. To concentrate only on the two testnets listed, the client developers have also chosen to deprecate additional testnets.

Later this year, the merger is anticipated to occur. The Gray Glacier Upgrade for block 15,050,000 is anticipated to happen by the end of June 2022, according to the Ethereum Foundation.

Following a successful Ropsten launch earlier this year, the blockchain launched the merging on the Sepolia testnet.

The foundation’s most recent blog made it plain that all testnets other than Goerli and Sepolia will be deprecated.

Kiln, Rinkeby, and Ropsten will thus cease to function as testnets after the merging.

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The first deprecation is anticipated for Kiln. Then, shortly after Ethereum’s mainnet switches to proof-of-stake in the second half of 2022, it will be shut down.

Following Kiln, Rinkeby, which completed the merger on June 8, 2022, will close its doors in the third quarter of this year.

Developers presently utilizing the testnet have been advised by the Ethereum foundation to switch to Sepolia or Goerli.

Nevertheless, the third testnet Ropsten will not be operating in the merging at all and will be replaced by Sepolia.

A year after Sepolia has finished making the switch to proof-of-stake, it is anticipated to shut down in the second or third quarter of 2019.

The client developers will need to maintain the Goerli and Sepolia testnets once the Ethereum blockchain has successfully undergone an update.

The Prater Beacon Chain testnet and Goerli will be combined. Users that want to run the testnet validator may continue to do so on its chain.

While a new Beacon chain was developed to support Sepolia’s switch to proof-at-stake. This chain will function similarly to the other testnets currently in use. However, it can only be used with a verified set’s authorization.


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