How to get an Ethereum RPC endpoint for your fintech app (2026 guide)
Ethereum's 128-block cutoff traps fintech devs testing on full nodes. This guide covers archive nodes, HTTPS vs WebSocket, pricing, and production config for payment apps.
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Ethereum's 128-block cutoff traps fintech devs testing on full nodes. This guide covers archive nodes, HTTPS vs WebSocket, pricing, and production config for payment apps.


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