Ethereum co-founder, Vitalik Buterin, highlights a viable resolution for implementing cross-chain social restoration wallets in his newest article titled “Depth Studying Layer 2 for Wallets and Different Use Instances “. The proposal includes sustaining a keystore and a number of wallets in several areas.
These wallets will be capable of learn the keystore to replace their very own view of the verification key or throughout every transaction verification course of.
Cross-chain proofs play an important function in attaining this performance and require deep optimization. Potential options embrace zero-knowledge proofs (ZK-SNARK), pending Verkle proofs, or customized KZG options.
Sooner or later, protocol aggregation needs to be achieved and by producing proofs of aggregation, operations submitted by all customers are aggregated, decreasing prices.
This integration could require inclusion within the ERC-4337 ecosystem, which can require some modifications to ERC-4337. On the similar time, L2 have to be optimized to reduce the latency of studying the L1 state from L2.
Wallets may be positioned not solely on L2, but in addition on programs which have a decrease degree connection to Ethereum, akin to L3 or a separate chain that solely comprises the basis of the Ethereum state. Nonetheless, the keystore should reside on L1 or a extremely safe L2 ZK-rollup.
Though it provides complexity, having a key vault on L2 generally is a less expensive resolution in the long term. All through the method, efforts needs to be made to offer privateness options and guarantee compatibility with current privateness safeguards.
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