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One of the promises of AA was that we would no longer need EOAs. However, when I see providers of smart wallets like Safe and Biconomy, both still require you to have an EOA to call the contract, which means losing a private key is still very dangerous.
I'm aware that AA allows for multi-sig, but will there ever be a future where EOAs aren't needed at all?
Technically speaking EOAs are no longer needed with AA, since the one sending the transaction doesn't need to be an account anymore. It can be one of many different things - typically just a keypair.
Most likely EOA as a concept will not be used with AA, unless the transaction sender, for some reason, is also an account. Of course we'll have EOAs for a long while alongside AA stuff, or maybe always.
I'm not exactly sure of what kind of AA wallet implementations exist currently in Ethereum, but I would imagine the first ones are just utilizing existing wallet software. Therefore it's easiest to just use the keypair from an account. I don't know if there exist wallets for purely AA connections yet - but at some point most likely will.
Please see my other answer here - https://ethereum.stackexchange.com/a/150750/111951
Quote:
Yes, using AA smart contracts will be able to initiate smart contract calls (without EOA).
But in many cases EOA will still be needed: to setup AA, to sign transactions in some cases, etc.
You don't need a EOA, but you most likely still need a keypair to sign and authenticate UserOperation (else any can send UserOperation on behalf of you!)
