Onchain Blockchain InfrastructureInfra Item

Solana quantum resistant signature testing tradeoffs

April 4, 2026Coin Bureau

Coin Bureau reports Solana testing quantum safe signatures with Project Eleven, with early benchmarks showing much larger signatures and major performance degradation that raises scalability questions.

SOLANA TESTS QUANTUM-RESISTANT CRYPTOGRAPHY
Solana is working with Project Eleven to test quantum-safe signatures.
Early tests show major tradeoffs: signatures are up to 40× larger and the network ran roughly 90% slower, raising scalability questions.
🚨SOLANA TESTS QUANTUM-RESISTANT CRYPTOGRAPHY
signatures are up to 40× larger
the network ran roughly 90% slower
Coin Bureau
securityperformancesolanaquantum resistant

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