Quantum Cryptography for Blockchain Security

A hand-verified collection covering how Shor's and Grover's algorithms threaten Bitcoin, Ethereum, and blockchain's core cryptographic primitives, the lattice-based research racing to replace them, and how the industry is planning its quantum-safe migration.

13 resources 4 categories

1 Foundational Reports & Reviews

The core technical reports establishing exactly how Grover's and Shor's algorithms threaten blockchain hashing and signatures — and how urgent the threat really is.

Blockchain and Quantum Computing

Brandon Rodenburg and Stephen P. Pappas's MITRE technical report examining how Grover's and Shor's algorithms undermine blockchain hashing and public-key signatures, with recommendations for quantum-resistant design.

MITRE

Towards Post-Quantum Blockchain: A Review on Blockchain Cryptography Resistant to Quantum Computing Attacks

A comprehensive review of the state of the art on post-quantum cryptosystems and how they can be applied to blockchains and distributed ledger technologies.

IEEE Xplore

Committing to Quantum Resistance: A Slow Defence for Bitcoin Against a Fast Quantum Computing Attack

Stewart, Ilie, Zamyatin, Werner, Torshizi, and Knottenbelt model the specific threat a quantum-capable adversary poses to Bitcoin's ECDSA-signed transactions. Link updated to the clean DOI landing page.

Royal Society Open Science

2 Explainers & Industry Commentary

Accessible introductions and expert interviews connecting post-quantum cryptography theory to what it actually means for cryptocurrency holders and builders.

From Post-Quantum Cryptography to Post-Quantum Blockchains and Cryptocurrencies: an Introduction

Duncan Wong traces the path from public-key cryptography's origins through NIST's standardization process to Abelian's lattice-based, quantum-resistant privacy coin design.

Medium / Abelian

Ralph Merkle on Cryptocurrency & Post-Quantum Cryptography

Tim Ventura interviews public-key cryptography pioneer Dr. Ralph Merkle on how quantum-resistant signature standards will keep blockchain encryption secure.

Medium / The Startup

Here's Why Quantum Computing Will Not Break Cryptocurrencies

Roger Huang makes the counter-case: why the timeline and technical hurdles facing cryptographically-relevant quantum computers are longer than headlines suggest.

Forbes

Quantum Computers Challenge Blockchain's Invincibility: What To Do Now?

Susan Galer on why timelines for quantum computers may be fuzzy, but the threat to blockchain's vaunted security is profoundly real — and what to do about it today.

Forbes / SAP