Crazy Wisdom

Episode #539: Zero Trust Everything: Rebuilding the Internet's Money Layer

Mar 23, 2026
David Lachmish, co-founder of Ika and D-Wallet Labs, is a cybersecurity and cryptography builder focused on zero-trust custody. He discusses decentralized d-wallets built with novel 2PC-MPC cryptography. Short takes cover why centralized custody persists, how wallets can become invisible in UX, AI agent guardrails for financial actions, and decentralized governance plus novel security primitives like decentralized CAs.
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INSIGHT

D-Wallets Deliver Zero Trust Custody

  • Zero trust custody solves the contradiction of users trusting centralized custodians while crypto promised trustless ownership.
  • Ika's D-wallet makes signatures require both the user and a decentralized network, enabling cryptographic control plus network-enforced access policies.
INSIGHT

Crypto Is The Internet All Over Again

  • Crypto mirrors early internet growing pains: initial use cases are illicit or lowbrow, but infrastructure that enables free information and economics can become net positive.
  • Stewart and David frame scams as inevitable but not decisive for long-term societal value.
ADVICE

Design Wallets As Invisible Infrastructure

  • Prepare wallets as invisible infrastructure not standalone apps; embed signing into user flows for seamless UX.
  • Treat agents as code-first actors that need cryptographic shares and explicit guardrails rather than standard UI wallets like MetaMask.
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