Questions tagged [hardforks]

A hardfork is any backwards-incompatible change to the Ethereum protocol, such that a client will need to upgrade in order to remain on the network. This tag is for actual and proposed hardforks, as well as the issues relating to them.

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Is homestead a hard fork and when will it be activated?

In one of the descriptions it was mentioned that the homestead update contains a new opcode and other changes that are not backward compatible. Thus a hardfork will be required. What is a process of ...
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When will the EIP 2 fork kick in?

EIP 2 is a fork cleaning the protocol a little. When will the fork kick in?
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How hard is it for Ethereum clients to get on the new fork in case of an attack?

Vitalik Buterin writes: Assuming ~20% participation in PoS and current prices, you could stall or break the network at a cost of ~$7 million. However, unlike PoW, recovery is simpler: Ethereum just ...