Market tone: Bullish
Estefano Gomez · Crypto Briefing · 2026-10-10T12:06:49.000Z
TRON official brand assets (tron.network)
Justin Sun says the network can switch on quantum resistance at any time, but mainnet activation still needs separate governance approval
Tron says it is ready to defend itself against computers that don’t fully exist yet.
Founder Justin Sun said on October 10, 2026 that the network can move post-quantum cryptography to mainnet whenever it chooses. The claim rests on months of testing on Tron’s Nile testnet, where quantum-resistant digital signatures have been live since July.
“We’re ready to bring quantum resistance to mainnet at any time,” Sun said in a post on X.
Mainnet activation still requires separate approvals from Tron’s governance bodies.
What actually went live on Nile
The testnet upgrade arrived on July 2, 2026, through Committee Proposal No. 20628. It shipped with the GreatVoyage-v4.8.2-PQ1-build1 release.
Two signature algorithms are involved, and both carry NIST standardization. The first is FN-DSA-512, built on a scheme called Falcon-512. The second is ML-DSA-44, based on Dilithium, which was added shortly after FN-DSA-512 went live.
The new signatures reach transaction signing, block production, peer-to-peer handshakes between nodes, and smart contract verification inside the Tron Virtual Machine.
For now, everything stays opt-in and confined to the testnet. Mainnet functions are untouched, and existing wallets keep working as they always have.
There is also a cost, and it is measured in bytes. FN-DSA-512 signatures can run to approximately 667 bytes, which exceeds the size of the legacy ECDSA signatures that blockchains like Tron use today.
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A roadmap that slipped a quarter
The timeline has not gone exactly to plan. Tron’s original roadmap aimed for testnet activation in Q2 2026 and mainnet readiness in Q3 2026.
The testnet target landed close enough, with Nile switching on in early July. Mainnet is a different story, with that goal now pushed to the end of 2026. Sun’s stated aim is to wrap up the upgrade by year end.
The motivation is the long-running worry about quantum computers and Shor’s algorithm. In theory, a sufficiently powerful quantum machine running Shor’s algorithm could break elliptic-curve cryptography, the math that protects private keys across most major blockchains.
Sun has framed the effort as essential to long-term asset security. He has pointed to rising quantum computing power and increasingly capable AI as the backdrop.
What this means for Tron and everyone else
Tron processes hundreds of millions of transactions every month and holds tens of billions of dollars in stablecoin value.
By putting NIST-standardized post-quantum signatures into the protocol itself, Tron places itself among the early movers on end-to-end quantum resistance.
Larger signatures could affect throughput and storage costs, and the testnet exists precisely to surface those problems. An opt-in design also means protection only reaches users who actually adopt the new schemes.
The most immediate thing to track is governance. Sun has said the technology is ready, but mainnet activation needs its own approvals.
The end-of-2026 target is the benchmark. It sits one quarter behind the original Q3 goal.
Originally published by Crypto Briefing.