Key Notes
- Buterin describes replacing some crypto website interactions with command-line tools.
- His phone uses airplane mode by default, with Wi-Fi and occasional cellular exceptions.
- The kohaku-cli repository warns that the experimental wallet is unaudited.
Vitalik Buterin is reducing his reliance on crypto websites. In an October 31 essay on digital minimalism, Ethereum’s co-founder says an AI-written command-line tool handled recent ENS-linked IPFS hash updates, while kohaku-cli handles many of his privacy-protocol payments.
Why Familiar Websites Still Require Trust
His concern is repeated trust: visits can load fresh server-delivered code, exposing users if that server is compromised. He also flags browser fingerprinting and third-party tracking, and favors small, modular tools made easier to use by local AI.
The distinction matters for crypto because the interface that prepares a transaction and the blockchain that executes it are separate parts of the process. A functioning protocol does not establish that the website a user is interacting with is safe.
CoinScreamer’s coverage of Blockaid’s Step Drainer findings illustrates that interface risk: Flap and Kintsu confirmed DNS hijacking, while Blockaid identified the same drainer on ten additional domains. That incident is separate from Buterin’s essay; he does not cite it as the reason for his workflow changes.
The Command-Line Alternative Has Its Own Risks
The kohaku-cli repository describes a wallet for moving funds between public Ethereum accounts and private balances in Tornado Cash, Railgun and Privacy Pools. Its documentation also covers name services and stealth-address profiles.
Crucially, the project warns that it is unaudited, under active development and written with assistance from AI. It cautions that mainnet use can put funds at serious risk. The tool’s documentation describes encrypting the wallet seed on disk and using an Ethereum RPC endpoint.
Replacing a website therefore changes the software a user must trust; it does not eliminate trust in wallet code, dependencies, the device or transaction-signing decisions. Buterin’s personal use should not be read as an independent security audit or a recommendation that every holder import a seed into experimental software.
Firefly and Airplane Mode by Default
He still uses X, mainly through Firefly, which combines several social networks. His phone experiment lasted 100 days with Wi-Fi available and limited exceptions. He now occasionally enables cellular connectivity, while keeping airplane mode as his default.
The broader theme is choosing digital tools deliberately, rather than accepting their default interfaces. It also follows his support for limits on AI hacking capabilities, another debate about how stronger software tools should be deployed.
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