01AI systemsBuilt Corpus, a layer that governs what AI agents are allowed to do in their tool calls, plus 80+ skills that run parts of the business.
02Self-custodyArchitected it so the company can never move or freeze user funds, verifiable on-chain.
03Product & engineeringDesigned and shipped the iOS, Android, and web apps on a NestJS and Postgres backend. Onboarding, the card flow with in-app number reveal, and Earn, an on-chain yield product.
04Compliance & KYCWrote the terms, disclaimers, and privacy policy. Got the Visa card program approved with the bank. Migrated KYC to Sumsub, keeping no user data at rest.
05Fraud & riskBuilt a runtime country kill-switch and an SMS-pump detector: burst and slow-drip patterns, instant blocks, and alerts to hold, review, or block.
06Brand & growthLogo, colors, type, and the landing page. Paid ads, SEO, Reddit, UGC, and press. Built the lifecycle emails and the referral program. I write the copy and cut the video.
07Team & companyRecruited the team, including a compliance chief who ran AML at First Republic. Ran the raise, and turned repeat support into fixes.