Ripple sets 2028 deadline to harden XRPL after Google’s quantum research sharpens attack risk

Ripple is building a multi-stage plan to prepare the XRP Ledger (XRPL) for an eventual shift to post-quantum cryptography, setting a 2028 target for full readiness. This comes as advances in quantum computing force blockchain developers to think more concretely about how existing security systems may need to change in preparation for “Q-day.” The company said the work will begin immediately with testing o…