MZMerlyn Zawadiinzawadi.hashnode.dev·Jun 3 · 12 min readBuilding GridLoqer's Real-Time Dashboard and Trustless Verification SystemThis is the moment the entire system was built for. Open the GridLoqer dashboard. Navigate to the Verification Panel. Paste this JSON: { "session_key": 9158, "driver_number": 1, "interval_start"10
MZMerlyn Zawadiinzawadi.hashnode.dev·Jun 3 · 8 min readIncreasing Multi-Stack Delivery Velocity Without Sacrificing IntegrityConsider the deployment problem from first principles. GridLoqer's production system runs three independent stacks: a Python FastAPI service for telemetry ingestion and verification, a Solidity smart 10
MZMerlyn Zawadiinzawadi.hashnode.dev·Jun 3 · 7 min readSecurity at the SeamsThe most interesting class of attacks on modern systems does not break cryptography. It exploits the gaps between systems. GridLoqer's stack has several gaps: between the OpenF1 API and the Python ing10
MZMerlyn Zawadiinzawadi.hashnode.dev·Jun 2 · 10 min readBuilding an Oracle-Gated, Append-Only Telemetry Contract in Solidity (TelemetryRegistry.sol)TL;DR I built TelemetryRegistry so only one trusted oracle address can commit telemetry, and nobody can edit or delete history afterward. I prevent duplicate submissions with replay protection on th20
MZMerlyn Zawadiinzawadi.hashnode.dev·Jun 1 · 11 min readBuilding a Verifiable Data Pipeline from OpenF1 to PolygonA reliable race telemetry pipeline is not just about speed; it is about making the same input always produce the same output. Canonical JSON (JavaScript Object Notation) and keccak256 hashing give us 10
