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Guides & insights
Practical guides on launching and operating a digital bank, written by the team behind Coreza.
ENGINEERING
Why every balance must come from a double-entry ledger
Stored balances drift; derived balances cannot. Why a double-entry ledger is the only reliable source of truth in a fintech core: the engineering rules it imposes, how reconciliation catches problems before customers do, and what auditors expect to find.
July 27, 2026 · 9 min read
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ANALYSIS
Build vs buy: the real cost of a core banking system
A total-cost-of-ownership comparison of building a core banking system in-house versus licensing a white-label platform: scope, team, timelines, the costs that never make the spreadsheet, when building wins, and a five-question framework to decide.
July 27, 2026 · 9 min read
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GUIDE
What is white-label core banking? A practical guide
What a white-label core banking platform actually includes, how it compares to building from scratch, who holds the regulatory licenses, and what to evaluate before choosing one.
July 26, 2026 · 8 min read
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GUIDE
How to launch a digital bank with built-in crypto
A step-by-step path from idea to a live digital bank with fiat accounts, cards and self-custody crypto wallets: product scope, licensing, infrastructure, providers, compliance and realistic timelines.
July 26, 2026 · 9 min read
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