How Ethereum block times will change after the Merge

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If feedback from frustrated users and developers wasn’t enough, ConstitutionDAO’s high-profile endeavor to crowdfund donations for an auction revealed the scale of Ethereum’s gas fees.

Now, with the Ethereum ecosystem preparing for The Merge, developer Tim Beiko has published a post explaining how the long-awaited transition would affect the platform.

Drumroll, please!

The biggest takeaway from the report – Between the proof-of-work and proof-of-stake consensus mechanisms, the difference in average block time is reportedly a one-second drop.

As Beiko reported,

“The Merge will impact the average block time on Ethereum. Currently under proof of work, blocks come in on average every ~13 seconds with a fair amount of variance in actual block times.”

He further added,

“Under proof of stake, blocks come in exactly each 12 seconds except when a slot is missed either because a validator is offline or because they do not submit a block in time.”

No more life hacks

On the question of security, Beiko noted how proof-of-work blockchains are more vulnerable to reorg attacks. In his report, Beiko outlined how the post-merge Ethereum would use finalized and safe head blocks. A finalized block would have higher validator requirements.

Beiko wrote,

“A finalized block is one which has been accepted as canonical by >2/3 of validators. To create a conflicting block, an attacker would have to burn at least 1/3 of the…

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