Buterin backs Kohaku per-dapp addresses for Ethereum privacy
Ethereum co-founder Vitalik Buterin endorsed Kohaku’s wallet feature that creates a new address for each dapp connection to reduce onchain metadata linking.
Ethereum co-founder Vitalik Buterin endorsed Kohaku’s wallet feature on May 27 that issues a fresh blockchain address each time a user connects to a decentralized application. Buterin called per-dapp address isolation ‘a really important place to start’ for onchain privacy.
The feature automatically generates a unique address for every dapp connection, replacing the persistent single-address model used by most Ethereum wallets. A single address allows observers to link token balances, protocols used and transactions by reading public ledger data.
Kohaku is an open-source privacy initiative backed by the Ethereum Foundation. The per-dapp address capability is credited to contributors kassandraETH and ncsgy. The project released kohaku-eth/railgun v0.0.1-alpha.21, which made ERC-4337 relaying operational for Railgun transactions. That change allows shielded transactions to be routed through Ethereum’s account abstraction mempool.
Kohaku has integrated with Railgun and Privacy Pools and offers modular tools for wallet developers, including shielded transaction pools, private query infrastructure and per-dapp address generation. Wallets that adopt those tools can provide privacy protections without requiring users to join separate privacy protocols.
Ethereum’s 2026 privacy roadmap includes account abstraction combined with Fork-Choice enforced Inclusion Lists (FOCIL), Keyed Nonces under EIP-8250, and Kohaku. Most of these upgrades are scheduled for the Hegotá hard fork in the second half of 2026. Buterin wrote ‘We’ve accelerated narratives enough. Let’s accelerate the cypherpunk privacy reality.’
Routing shielded transactions through ERC-4337 reduces reliance on protocol-specific relayers that have constrained privacy adoption. Per-dapp addresses are intended to make it harder for data aggregators and surveillance systems to build a single financial profile from public blockchain records.
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