A full audit of the XRP Ledger’s validators, custody systems, wallets, and networking layers is now underway, led by quantum security firm Project Eleven in collaboration with Ripple.
Project Eleven’s Scope Goes Beyond ResearchProject Eleven described the collaboration as one of the first major efforts in the industry to move post-quantum blockchain security out of the theoretical stage and into real-world deployment.
It runs on a native account based architecture with built in key rotation.

The XRP Ledger Foundation said the network is not starting from scratch. According to the foundation, XRPL already supports key rotation and coordinated validator upgrades, features that give it structural advantages as the broader ecosystem moves toward quantum-resistant cryptography.
One detail the foundation highlighted: users and businesses will be able to switch to quantum-resistant signatures without changing their existing XRP wallet addresses.
Those addresses, known as r-addresses, are already recognized by customers. Keeping them intact during a migration removes a significant technical and operational hurdle.
J. Ayo Akinyele, head of engineering at RippleX, said the goal is to have XRPL production-ready well before quantum threats become a real danger.
According to Project Eleven, the Ripple partnership is its most comprehensive blockchain security engagement to date. The cryptography protecting major blockchains including Bitcoin, Ethereum, XRP, and Solana could eventually be broken by advanced enough quantum computers, the firm said.
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