newsletter FinTekCafe Weekly: Your RAG System Is Lying to You (And Three Other Uncomfortable Truths) FinTekCafe 27 Apr 2026 5 min read This Tool Is Free Create a free account to download. No credit card required. Sign Up Free to Download Already have an account? Sign in Related Articles FinTekCafe Weekly: Your Payment Processor Is Lending You Money This issue: what card processors actually underwrite, why prompt injection has no fix, technical debt as a tax rate, the SSO fence, and correspondent banking. 13 Sep 2026 3 min read FinTekCafe Weekly: Somebody Is Always Holding the Liability This issue: who gets paid when models train, the BaaS consolidation playbook, GPU repatriation math, AI gateways, zero trust, and card issuing. 6 Sep 2026 4 min read FinTekCafe Weekly: The Bill You Approve Is Not the Bill You Pay This issue: memory as the real AI lock-in, what multi-region actually costs, agent identity, Postgres consolidation, and who eats a fraud loss. 31 Aug 2026 4 min read
FinTekCafe Weekly: Your Payment Processor Is Lending You Money This issue: what card processors actually underwrite, why prompt injection has no fix, technical debt as a tax rate, the SSO fence, and correspondent banking. 13 Sep 2026 3 min read
FinTekCafe Weekly: Somebody Is Always Holding the Liability This issue: who gets paid when models train, the BaaS consolidation playbook, GPU repatriation math, AI gateways, zero trust, and card issuing. 6 Sep 2026 4 min read
FinTekCafe Weekly: The Bill You Approve Is Not the Bill You Pay This issue: memory as the real AI lock-in, what multi-region actually costs, agent identity, Postgres consolidation, and who eats a fraud loss. 31 Aug 2026 4 min read
