Why Kohaku is central to Ethereum’s 2025 privacy shift
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Kohaku brings practical privacy to Ethereum wallets with safer recovery, private modes and shared standards designed for real-world use.
When Vitalik Buterin walked on stage at Devcon 2025 to demo Kohaku, he summed up Ethereum’s situation bluntly. The network has strong security and privacy research and solid layer-1 security. But it still hasn’t “leveled up the last mile,” the wallets and apps people actually use.
On paper, Ethereum has spent a decade leading the way. Elliptic-curve precompiles in 2018 opened the door to zero-knowledge Succinct Non-Interactive Arguments of Knowledge (zk-SNARKs) and privacy tools like Tornado Cash and Railgun. The DAO hack in 2016 pushed the ecosystem toward serious audits, helped drive demand for robust wallets such as Gnosis Safe and turned multisigs from a niche idea into standard practice.
Yet everyday private use in 2025 still feels clumsy. People juggle extra seed phrases, install special wallets, hope public broadcasters don’t fail and often fall back to centralized exchanges because they are simpler.
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