Crypto banking has long been pitched as the bridge between fiat and digital assets. But on October 17, 2026, StreetInsider reported that Ethereum’s Glamsterdam upgrade activated on Sepolia and is progressing toward a future mainnet release. If Layer 1 gets materially faster and cheaper, the weak link for many businesses will no longer be chain capacity. It will be the banking layer—the fiat on-ramp and off-ramp that turns crypto into payroll, vendor payments, and operating cash. That reframes crypto banking as a payments and reconciliation problem, not a scalability problem.

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What just happened on October 17, 2026

The Sepolia activation and the mainnet path

According to StreetInsider’s October 17, 2026 report, the…