Grayscale research flags XRPL and Solana early moves on post-quantum cryptography

Grayscale Head of Research Zach Pandl says a Google Quantum AI paper is compressing the expected timeline for quantum machines to threaten classical cryptography, pushing public blockchains to prepare now. In his note, he highlights the XRP Ledger and Solana as early networks testing post-quantum cryptography, alongside a migration timeline pointing to 2029.