QTCL Quantum-Classical Hybrid Blockchain - live testchain

I Built a Quantum-Entangled Blockchain in Python. Here's How. tl;dr — QTCL is a production blockchain that sources entropy from five independent quantum processes and uses post-quantum HLWE signatures. All of it runs in pure Python. Here's the technical breakdown, how to run it, and where the open problems are. The Problem Every blockchain asks: How do we generate unbiased randomness at scale? Bitcoin delegates this to computational work (PoW). Ethereum uses RANDAO (validator votes). Both suffer the same bottleneck: the entropy source is classical . I decided to invert the problem: what if the blockchain itself required quantum entropy to function? No fallback. No classical approximation. Just quantum mechanics and cryptography. Meet QTCL (Quantum Temporal Coherence Ledger). The Architecture (Rough) ┌─────────────────────────────────────────┐ │ 5-Source QRNG Ensemble (XOR-hedged) │ │ ANU | Random.org | QBICK | HotBits ... │ └────────────┬────────────────────────────┘ │ ↓ ┌─────────────