Most WealthTech founders obsess over building sophisticated algorithms. They completely ignore the only metric high-net-worth investors actually care about: Frictionless trust. Last quarter, we revamped an onboarding flow for a multi-family office client: 1. Replaced 12-page manual PDFs with a 3-minute digital identity verification. 2. Eliminated portfolio jargon in favor of single-sentence liquidity summaries. 3. Added asynchronous WhatsApp updates for lead partners. The result? A 140% surge in completed allocations within 60 days. Sophistication isn't complexity. It is the total elimination of friction.