Early at DevConnect, Vitalik Buterin unveiled Kohaku, a new open-source framework that provides developers with modular tools to build privacy-preserving wallets without relying on centralized services. It’s designed to evolve into a broader suite of primitives that may include mixnets for network anonymity and ZK-powered browsers.

The Ethereum leader also announced that the Ethereum Foundation is rolling out Tor and onion hidden services across the ecosystem wherever possible, giving nodes, clients, and users stronger protection from surveillance and metadata leaks, while reducing the network’s dependence on centralized infrastructure.

These are signs of where DeFi and Ethereum are headed next. Let’s dive into what DevConnect Buenos Aires 2025 meant for the industry.

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