# QRL: The Quantum Resistant Ledger > The Quantum Resistant Ledger (QRL) is a post-quantum secure blockchain and digital-asset platform built to protect against current and emerging cryptographic threats. This is a curated entry point to QRL's primary project, research, security, developer, and user resources, plus a bounded set of recent updates. It intentionally omits historical and secondary material. ## Start Here - [QRL overview](https://www.theqrl.org/index.md): QRL's purpose, security model, and core capabilities. - [QRL 2.0 / Project Zond](https://www.theqrl.org/2/index.md): QRL's quantum-resistant, EVM-derived Layer 1, current testnet status, use cases, and developer resources. - [Roadmap](https://www.theqrl.org/roadmap.md): Current QRL and Project Zond milestones, network statistics, and improvement proposals. - [Tokenomics](https://www.theqrl.org/tokenomics/index.md): Supply, emission, reserves, and market information. - [Downloads](https://www.theqrl.org/downloads/index.md): Wallets, nodes, tools, and developer resources. - [Post-Quantum Blockchain Security Guide](https://www.theqrl.org/the-definitive-guide-to-post-quantum-blockchain-security/index.md): The quantum threat, relevant standards, and the requirements for quantum-resistant blockchains. - [The case for quantum-resistant blockchains](https://www.theqrl.org/a-visionary-future-proof-blockchain-with-unparalleled-security/index.md): Why quantum computing changes blockchain security and how QRL addresses the threat. ## Research, Security, and Technical Resources - [QRL Research](https://www.theqrl.org/research.md): QRL's research priorities in post-quantum cryptography and blockchain applications. - [Citations, Standards, Cryptography, and Recommended Reading](https://www.theqrl.org/research/citations.md): Academic references, standards, and technical reading related to QRL's cryptographic ecosystem. - [QRL Research Grants](https://www.theqrl.org/research/grants.md): Research grant information and open opportunities. - [Weighted Multisignature Transactions](https://www.theqrl.org/features/multisig.md): QRL's weighted multisignature transaction support. - [Proof of Stake](https://www.theqrl.org/features/proof-of-stake.md): QRL's proof-of-stake work and related design information. - [Bug Bounty Program](https://www.theqrl.org/bug-bounty.md): How to report eligible security vulnerabilities and participate in the bounty program. - [Report a Security Issue](https://www.theqrl.org/security-report.md): Responsible disclosure and security contact information. ## User and Developer Links - [QRL Markets](https://www.theqrl.org/markets.md): Market and trading information for the QRL digital asset. - [QRL developer documentation](https://docs.theqrl.org): Node, CLI, wallet, API, and integration documentation for the original QRL network. - [QRL 2.0 testnet documentation](https://test-zond.theqrl.org/testnet): Testnet access and development documentation for Project Zond. - [QRL on GitHub](https://github.com/theQRL): Open-source repositories, protocol code, tools, and discussions. ## Latest Blog Updates - [Reflections on the COLDCARD RNG Exploit](https://www.theqrl.org/blog/reflections-on-the-coldcard-rng-exploit.md): Published 2026-08-03. The Coldcard RNG exploit shows how silently degraded entropy can put hardware wallet users at risk. QRL v1 wallets remain secure with 384 bits of operating-system entropy, while … - [Post-Quantum Readiness: Is Your Blockchain Actually Secure?](https://www.theqrl.org/blog/postquantum-readiness-is-your-blockchain-actually-secure.md): Published 2026-07-31. Almost every blockchain today is quantum vulnerable. Dr. Joseph Kearney and the QRL team break down the spectrum of post-quantum readiness, ranging from vulnerable to fully … - [Post-Quantum Cryptography Before the Hype, Dr. Joseph Kearney’s Journey](https://www.theqrl.org/blog/post-quantum-cryptography-before-the-hype-dr-joseph-kearneys-journey.md): Published 2026-07-07. Dr. Joseph Kearney on a decade of post-quantum cryptography research, and the migration problem facing every quantum-vulnerable blockchain. - [Eight Years of Building the Quantum-Safe Future](https://www.theqrl.org/blog/celebrating-8-years.md): Published 2026-06-26. After eight years of secure quantum-resistant blockchain operations, QRL reflects on its mainnet journey and looks ahead to QRL 2.0: an EVM-friendly, post-quantum Proof-of-Stake … - [The Core Problem With Migrating Classical Blockchains To Post-Quantum Cryptography](https://www.theqrl.org/blog/the-core-problem-with-migrating-classical-blockchains-to-postquantum-cryptography.md): Published 2026-06-26. Post-quantum cryptography expert, Dr. Joseph Kearney, joins for a conversation that goes deep into the Core Problems faced when Migrating Classical Blockchains To Post-Quantum … - [Quantum Computing & Post-Quantum Security: A Conversation with Dr. Carlos Perez Delgado](https://www.theqrl.org/blog/quantum-computing-postquantum-security-a-conversation-with-dr-carlos-perez-delgado.md): Published 2026-04-30. Dr. Carlos Perez Delgado, a leading expert in post-quantum security at University of Kent in England, joins the QRL Show to share insights on quantum computing, cybersecurity, … - [Quantum-Safe Bitcoin Without a Soft Fork? It's Clever. But Read the Fine Print](https://www.theqrl.org/blog/quantumsafe-bitcoin-without-a-soft-fork-its-clever-but-read-the-fine-print.md): Published 2026-04-14. A new paper from StarkWare presents a scheme for quantum-safe Bitcoin transactions using nothing but existing consensus rules. It is genuinely inventive. It is also, by its … - [Two Papers Just Changed the Quantum Threat Conversation. Here's What They Actually Say](https://www.theqrl.org/blog/two-papers-just-changed-the-quantum-threat-conversation-heres-what-they-actually-say.md): Published 2026-04-02. On 30 March 2026, two papers from overlapping author groups landed within hours of each other. Together, they represent the most significant single-day contribution to quantum … - [Google Just Set a 2029 Deadline. Bitcoin and Ethereum Aren't Ready](https://www.theqrl.org/blog/google-just-set-a-2029-deadline-bitcoin-and-ethereum-arent-ready.md): Published 2026-03-26. Google has set a 2029 target for post-quantum migration. This week, the Ethereum Foundation published its own roadmap. Bitcoin’s first proposal was merged last month. The timelines … - [Building the Quantum-Safe Bridge: QRL 2.0 Audit Ready Q1 2026](https://www.theqrl.org/blog/qrl-2.0-building-the-bridge-to-the-next-era.md): Published 2025-12-25. As cryptographically relevant quantum computers move from “decades away” to a 2027-2033 reality, the $300B+ EVM ecosystem needs a secure destination fast. QRL 2.0 provides a … - [Alongside AWS, IBM, and IonQ: QRL Joins Industry Leaders at IQT’s Quantum + AI Event](https://www.theqrl.org/blog/alongside-aws-ibm-and-ionq-qrl-joins-industry-leaders-at-iqts-quantum-ai-event.md): Published 2025-10-15. We’re excited to announce that QRL (Quantum Resistant Ledger) has been invited to speak at IQT’s Quantum + AI Conference in New York City (October 19–21), one of the leading global … - [Should Solidity Developers Care About Post-Quantum Cryptography?](https://www.theqrl.org/blog/should-solidity-developers-care-about-postquantum-cryptography.md): Published 2025-07-29. Solidity developers should care about post-quantum cryptography because standards are already changing, and QRL Project Zond makes it easier than ever to migrate. - [How QRL’s Project Zond Will Onboard the Next Wave of Developers – AMA with Lead Developer Kaushal](https://www.theqrl.org/blog/how-qrls-project-zond-will-onboard-the-next-wave-of-developers-ama-with-lead-dev-kaushal.md): Published 2025-07-02. In this QRL AMA session, Kaushal takes center stage to explain Project Zond’s technical breakthroughs, detailing the shift to post-quantum cryptographic standards like SPHINCS+ and … - [Embracing SPHINCS+: A Strategic Shift for QRL Project Zond](https://www.theqrl.org/blog/embracing-sphincs-a-strategic-shift-for-qrl-project-zond.md): Published 2025-07-01. We’re transitioning from stateful XMSS to NIST-standardized SLH-DSA/SPHINCS+ (FIPS 205), eliminating state-management risks and simplifying development, without delaying release, … - [Celebrating Seven Years of QRL: Ahead of the Quantum Curve](https://www.theqrl.org/blog/celebrating-seven-years-of-qrl-ahead-of-the-quantum-curve.md): Published 2025-06-26. As we mark the seventh anniversary of the Quantum Resistant Ledger (QRL), it’s a moment to reflect on our journey, celebrate our achievements, and look towards an even brighter … ## Latest Weekly Updates - [QRL Weekly, 2026-August-07](https://www.theqrl.org/weekly/2026-august-07.md): Published 2026-08-07 - [QRL Weekly, 2026-July-31](https://www.theqrl.org/weekly/2026-july-31.md): Published 2026-07-31 - [QRL Weekly, 2026-July-24](https://www.theqrl.org/weekly/2026-july-24.md): Published 2026-07-24 - [QRL Weekly, 2026-July-17](https://www.theqrl.org/weekly/2026-july-17.md): Published 2026-07-17 - [QRL Weekly, 2026-July-10](https://www.theqrl.org/weekly/2026-july-10.md): Published 2026-07-10 - [QRL Weekly, 2026-July-03](https://www.theqrl.org/weekly/2026-july-03.md): Published 2026-07-03 - [QRL Weekly, 2026-June-26](https://www.theqrl.org/weekly/2026-june-26.md): Published 2026-06-26 - [QRL Weekly, 2026-June-19](https://www.theqrl.org/weekly/2026-june-19.md): Published 2026-06-19