Designing a trustworthy deposit-arbitrage platform
Joshua Grant
Deposit arbitrage sounds complex; the product's job is to make it feel like a savings account. Calm layout, plain language, and the numbers up front.
A live calculator answers the first question every visitor has (what do I get?), with monthly, yearly, and total payouts recomputed as the sliders move.
Portfolios are backed by household-name banks, and the design leans on that: real logos, clear terms, three steps to open an account.
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Posted Aug 26, 2026
German-market fintech from landing page to live product: bank-grade calm, a live payout calculator, and portfolios backed by household-name banks.
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