Hybrid post-quantum stealth addresses proposed for ERC-5564 scheme 3
A draft extension adds post-quantum cryptography to Ethereum's stealth address standard, protecting private key recovery against future quantum attacks.
Privacy
zkAPI lets users pay for metered APIs privately via zero-knowledge proofs on Ethereum
The Ethereum Foundation released a privacy tool that lets users prepay for APIs and APIs, then spend via zero-knowledge proofs so usage cannot be tied back to them.
More: openanonymity.ai · The Block · ETH Daily · Unchained · Bankless · The Defiant · Decrypt
Spark deploys spUSDC stablecoin on X Layer and Ethereum under confidential framework
Spark activates segregated savings vaults for spUSDC across two networks as part of its institutional stablecoin infrastructure expansion.
Aztec relaunches zk.money privacy wallet on Ethereum L2
The self-custodial privacy wallet hides transactions on Aztec Network while deposits from Ethereum remain visible, restoring privacy tooling for the ecosystem.
More: CoinDesk · The Block · @zk_money on X · Unchained · ETH Daily
Safe:
Safe enables private transactions for professional teams via Bermuda privacy layer
Teams can test private balances and transfers on Safe accounts with Bermuda, a Gnosis-backed compliant privacy solution in early access.
More: Safe
ZK Mesh September 2026 recap: monthly privacy and cryptography digest
Monthly roundup of zero-knowledge systems, privacy protocols, and cryptographic research across the ecosystem.
Encrypted Mempools via Threshold IBE without batch decryption proposed
A new design for encrypting Ethereum's mempool drops the batch-decryption requirement, simplifying threshold cryptography for privacy.
Zama launches confidential Morpho vaults on Ethereum, first vault exceeds $40 million
Private transactions on DeFi let users swap and lend without revealing their positions.
EIP-8182 (Private ETH and ERC-20 Transfers) Declined for Hegota
A privacy system for encrypted ETH and token transfers was deferred because Hegota is frozen on scope and this requires extensive research.
EIP-8288 proposes mempool redesign to cheapen quantum-safe signatures and private transactions
A new cryptographic approach could make advanced signature schemes and encrypted transactions affordable for everyday use on Ethereum.
Ethrex testnet ships frame transactions and keyed nonces for privacy
Ethrex's execution client adds privacy-preserving transaction structures to its public testnet, advancing its roadmap for confidential contract execution on Ethereum.
Ethereal weekly #38: Sepolia Glamsterdam targeting October 6, Privacy Boost V2 live, BuidlGuidl Ethereum 101
The week's top Ethereum developments include testnet upgrade progress, privacy improvements shipping, and new developer education launches.
Flashbots research examines client disruption prevention in anonymous broadcast protocols
Anonymous broadcast systems must balance anonymity, latency, and bandwidth while preventing malicious participants from degrading network performance.
Tornado Cash developer Roman Storm's retrial scheduled for April 2027
Roman Storm, Tornado Cash developer, will face a retrial in April 2027 after his initial conviction, continuing the high-profile legal battle over privacy-protocol liability.
More: Decrypt
Homomorphic tally research specifies proof boundaries for token-weighted voting
A minimal scheme for encrypted voting using homomorphic cryptography could enable private on-chain governance where ballots are summed without revealing individual votes.