COINDESK · 2026-11-10 04:51 UTC

XRP Ledger maps out quantum-proof accounts, with no extra fees for users

The XRP Ledger Foundation's quantum study proposes letting account owners add a quantum-resistant signing key (ML-DSA-44) and then switch off the original key. Each protected transaction would add about 3.6 KB, raising storage from 1,704 to 5,331 bytes per payment, but the base fee stays unchanged and network operators absorb the extra storage cost. The roadmap allots $215,000 to $255,000 for review and auditing, with the full quantum transition targeted for 2028 and the migration study due in the first half of 2027.

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