Conversion & pricing feeds
How programs source FX, what latency to expect between auth and on-chain sell, and why receipt totals diverge from index prices during volatility.
TECH BRIEF · RAILS & RECON
Architecture notes for engineers and operators: authorization messages, webhook timing, collateral calls, and where PCI scope usually stops. Iron Sight publishes text only—no SDK downloads, sandbox keys, or live wallet hooks on this domain.
Reference only · Not legal or compliance advice
THE LIBRARY
How programs source FX, what latency to expect between auth and on-chain sell, and why receipt totals diverge from index prices during volatility.
Typical event order from processor to program core, retry semantics, and reconciling partial captures against custodial balances.
Where PAN data usually lives, what stays in HSM boundaries, and why embedding keys in mobile clients breaks common SAQ paths.
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