The quantum myth that risks leaving assets exposed, simple version: Signatures = unique stamp only you create, anyone can check. Big quantum computer (Shor’s) reverse-engineers your private stamp: stolen keys, forged signatures, hijacked identities Hashes = one-way fingerprints. Quantum helps a bit; stronger parameters fix it Blockchain threat isn’t a quantum miner seizing proof-of-work, it’s keys and historical records 🔍 Knowing what quantum does not break starts the solution #PostQuantum #Bitcoin #Crypto
