According to Ethereum Foundation, the terms Ethereum 1.0 (Eth1) and Ethereum 2.0 (Eth2) have been phased out in favor of the “execution layer” and “consensus layer” respectively.
In a blog post published on 24th January 2022, Ethereum Foundation states that beyond protocol development, a critical shift in Ethereum has been the movement away from ‘Eth1’ and ‘Eth2’ terminology.
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The blog post claimed that core developers stopped using the terminology from late 2021, preferring ‘execution layer’ and ‘consensus layer’. This prompted Ethereum Foundation to also make the necessary shift as the major upgrade advances.
Ethereum Foundation highlighted further that the combination of the “execution layer” and “consensus layer” is known as Ethereum. The foundation emphasized that this change in terminology changes nothing in the roadmap to the major upgrade.
Ethereum Foundation noted:
“The terms Eth1 and Eth2 (Ethereum 2.0) are being phased out. Execution layer (Eth1) and consensus layer (Eth2) are the new terminologies. The roadmap to scale Ethereum in a decentralized way remains the same. You don’t need to do anything.”
Why Is The Change Necessary?
In the blog post, the team stated that the retired terms (Eth1 and Eth2) are capable of confusing new users, noting that once the upgrade is complete, the only existing term will be “Ethereum”.
The team pointed out that users may “intuitively think that Eth1 comes first and Eth2 comes after. Or that Eth1 ceases to exist once Eth2 exists. Neither of these is true.”
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The team also noted that another major reason for the rebranding was to prevent new users from being scammed by con artists who could take advantage of the confusion in relation to the numeric terms used to represent Ethereum proof of work (PoW) and proof of stake (PoS) chains.
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