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The Quantum Resistant Ledger
The Quantum Resistant Ledger (QRL) is a blockchain platform secured against quantum computing threats using NIST-approved cryptography. It offers tools for developers to build secure applications and provides users with wallets and hardware integrations for managing digital assets safely.
Zug, CH
2 current maintainers2 active leads1 lead step-down
Maintainer signals as of Aug 10, 2026
Description
The Quantum Resistant Ledger (QRL) is an enterprise-grade blockchain platform designed to be secure against threats from quantum computing. It utilizes the NIST-approved XMSS (eXtended Merkle Signature Scheme), a hash-based, forward-secure digital signature scheme. QRL provides a suite of solutions for the safe custody of its digital assets and interaction with both public and private post-quantum secure blockchains built on its core protocol. The platform is developer-friendly, offering extensive tools, documentation, and a rich API to build applications. It also supports secure digital assets, on-chain lattice key storage for post-quantum secure communications, and has integrations with hardware wallets like Ledger. The project is transitioning to SPHINCS+ (FIPS 205) to further enhance its security and simplify development.Open Roles
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