I have a full GETH node running and looks like Ethereum 2.0 is about to release. My question is:
- Will I need to do tweak anything in my node once Ethereum 2.0 releases?
- Will my GETH full node be able to use Mainnet for transactions in Ethereum 2.0?
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Only the phase 0 of Eth2 is about to release. And that also will only launch a public common testnet, nothing more. So there is no real hurry with anything.
In any case when the real Eth2.0 launches (after a year or two) you probably have to decide yourself whether you want to continue mining 1.0 chain (which will be active at least for some time) or consider starting as a validator in 2.0 chain where the rules are completely different.
In any case there is no way for your node to "accidentally" end up as a validator in Eth2.0.
For a developer the changes are probably not very big. Some semantics will possibly change a bit (possibly stuff like
block.timestamp or so) but mostly I think there shouldn't be big differences.