By enabling parallel processing, Ethereum could handle multiple tasks simultaneously, boosting overall throughput and allowing more independent validation of transactions.
The network would still need to resolve ordering disputes, such as determining which of two conflicting payments took precedence. Buterin proposed pre‑computing parts of the payment logic and combining proofs to minimize on‑chain data.
His privacy roadmap also addresses inadvertent data leaks that occur merely through wallet usage.
Balance queries typically require contacting external servers, which can reveal the addresses a user follows, even when transactions remain private. Buterin aims to conceal these queries together with payment details and the spending rules attached to an account.
Consequently, businesses could maintain confidential payment streams without exposing their account activity when employees need to check balances.
How privacy is becoming key
Similar initiatives are underway across the broader cryptocurrency ecosystem.
Zcash already supports private payments with encrypted addresses and amounts. On Friday, roughly 4.9 million ZEC were held in its shielded pools, according to CoinDesk’s analysis of ZecStats data, and the token was trading near $1,660 on Sunday, up about 15% for the week.
Researchers who published the Shielded Bitcoin paper on Thursday have suggested adapting Zcash’s privacy design for Bitcoin. Their proposal focuses on the transaction layer, leaving the practical mechanisms for depositing and withdrawing Bitcoin to separate future work.
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