ERC-4337 Account Abstraction Using Alt Mempool

FinalERCcreated 2021-09-2915 later proposals build on itrequires EIP-712, EIP-7702

Account abstraction without consensus-layer protocol changes, instead relying on higher-layer infrastructure.

Authors: Vitalik Buterin (@vbuterin), Yoav Weiss (@yoavw), Dror Tirosh (@drortirosh), Shahaf Nacson (@shahafn), Alex Forshtat (@forshtat), Kristof Gazso (@kristofgazso), Tjaden Hess (@tjade273)

Functions this standard introduces (9)

`0x0396cb60`	`addStake(uint32)`	payable
`0x70a08231`	`balanceOf(address)`	view
`0xb760faf9`	`depositTo(address)`	payable
`0xb0a398d1`	`getCurrentUserOpHash()`	view
`0x35567e1a`	`getNonce(address,uint192)`	view
`0x7c627b21`	`postOp(uint8,bytes,uint256,uint256)`
`0xbb9fe6bf`	`unlockStake()`
`0xc23a5cea`	`withdrawStake(address)`
`0x205c2878`	`withdrawTo(address,uint256)`

Depends on (2)

Proposals this one names in its requires field.

Built on by (15)

Later proposals that name this one in their requires field.

What the specification covers

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