ML-DSA signatures balloon to ~3,300 bytes vs ECDSA's 64 — roughly 50x per tx on a chain doing 2K TPS, and this announcement ships zero detail on how Tron absorbs that bandwidth and storage hit. No roadmap, no migration plan for existing accounts whose ECDSA public keys are already exposed on-chain from prior transactions. Adding new PQ key pairs is the easy part — forcing a safe migration for every legacy wallet before quantum breaks ECDLP is where the actual engineering lives, and that's exactly what this announcement doesn't cover.

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