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How CoinFello's MinChi Park Built the Trust Layer 500 Million Crypto Users Have Been Waiting For
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This story was originally published on HackerNoon at: https://hackernoon.com/how-coinfellos-minchi-park-built-the-trust-layer-500-million-crypto-users-have-been-waiting-for.
CoinFello COO MinChi Park on ERC-7710 delegation, the DeFi complexity problem, ETHDenver alpha lessons, and building the execution layer for the agentic economy
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CoinFello launched publicly at EthCC 2026 with an AI agent that executes DeFi transactions through natural language while keeping private keys on the user's device. The security model uses ERC-7710 scoped delegations — users grant the agent a limited spending permission rather than wallet access, and can revoke it with one action. ETHDenver alpha surfaced two surprises: multilingual demand the team had not anticipated, and developer demand to use CoinFello as an execution layer for third-party agents. The B2B infrastructure angle, enabling Claude Code, Windsurf, and OpenClaw agents to call CoinFello for onchain execution, is now a primary growth thesis alongside the consumer product.