Blockchain
Externally owned accounts (EOAs) have some limitations that account abstraction goals to beat. EOAs are coupled with a signer, and verification logic is hardcoded within the EVM. Moreover, there’s no solution to get better a misplaced account. Account abstraction permits for the event of sensible contract accounts, which provide a greater consumer expertise, and higher safety because of full flexibility when growing any logic.
Accounts Limitations
Finish customers work together with Ethereum by Externally Owned Accounts (EOAs), and people have limitations:
• Coupled with a signer
• Verification logic is hardcoded within the EVM
• No solution to get better a misplaced account2/11
— zkSync ∎ (@zksync) March 29, 2023
Sensible Contract Accounts (CAs) will allow new options like utilizing completely different authentication strategies, changing seed phrases with social restoration, paying gasoline in ERC20s with Paymasters, integrating allowlists and rip-off blocklists, scheduling one-time and recurring transactions, and creating infinite account customizations.
EIP-4337 was a major milestone within the implementation of account abstraction, which allowed CAs to ship txs referred to as UserOperations to a separate mempool the place bundlers bundle and ship them to the EntryPoint contract to be executed. Nonetheless, EIP-4337 needed to make some compromises to keep away from a tough fork, and there have been separate transaction flows for EOAs and CAs, a separate mempool, and separate validator/bundler roles. EOAs couldn’t use Paymasters, which was a major downside.
zkSync Period built-in account abstraction on the protocol degree, which implies there’s a single transaction move, mempool, and validator/bundler position. As well as, externally owned accounts can now additionally use Paymasters. It is a vital enchancment over EIP-4337, and it’ll allow a extra seamless and environment friendly expertise for customers.
The primary real-world use of native account abstraction on zkSync Period Mainnet occurred at ETHDenver, the place hundreds of attendees claimed and spent over 26k BUIDLBux tokens with out paying any gasoline. It was a major milestone that demonstrated the potential of account abstraction to revolutionize the Ethereum ecosystem.
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