Crowdsourced passive connectivity telemetry at global scale

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Crowdsourced passive connectivity telemetry at global scale — a live 'Digital Terrain Map' of mobile network conditions. Passive smartphone sensing captures signal strength/quality (RSRP, SINR), latency, throughput, handover behaviour and dead-zone occurrences during normal device use (not lab or drive tests), each observation geolocated and time-stamped. Published scale: ~127,000 contributing devices across 187 countries and 3.7 billion+ measurements, from 10,000-14,000 monthly contributors, accrued WITHOUT token incentives to date. The data is quality-weighted by a zero-trust validation engine (spatial checks, hardware attestation, temporal redundancy, cross-verification against cell-tower data, reputation scoring), which means each record arrives pre-labelled with a trust score — a property most crowdsourced coverage data lacks. B2B SDK/OEM collection paths exist (fleet, logistics, IoT), which broadens collection beyond consumer app-store constraints. Enterprise delivery is explicitly a paid data product (fiat or stablecoin), i.e. a data marketplace rather than a dashboard.