PAYMENT

Cornell Recovered $100k in Unidentified Payments with AI
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Ask HN: Which payment processor/merchant-of-record do you use in 2026?
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Time-Series Velocity Baseline – Detect silent payment terminal downtime
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Counterfeit Verifiability in Autonomous Agent Payments
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Wero Tracker – European Payment Adoption Progress
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Threats to US payment rails helped trigger Bessent's AI worries
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Show HN: A free ACP payments module that adds Stripe payments to MCP tools
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