Justin Sun Says Tron's Post-Quantum Cryptography Is Live on Testnet

Tron's quantum-resistant system now on testnet

Justin Sun, founder of the Tron blockchain network, announced on Saturday that the network's post-quantum cryptography system is now running on testnet. A testnet is a practice version of a blockchain used to test new features before they go live on the main network.

In a post on X, Sun said Tron is "ready to bring quantum resistance to mainnet at any time" and that the network is "set to be one of the few major blockchains that is quantum-resistant before Q-Day." Q-Day refers to the point when quantum computers become powerful enough to break the current mathematical security standards that protect most blockchain networks.

What Sun said and what others are doing

• Sun stated that Tron is "closely tracking progress in quantum computing and AI" and that the network is committed to keeping user assets secure.
• He did not provide a specific timeline for mainnet deployment, only saying it could happen "at any time."
• Security company AmericanFortress recently published a proposal to protect crypto wallets from quantum attacks without requiring users to change wallet addresses or move funds. The proposal was posted on the Cryptography ePrint Archive but had not yet been peer-reviewed.
• A Strategy-led consortium pledged $15 million to fund Bitcoin quantum security research earlier in 2026.
• The Ethereum Foundation published a proposal for migrating accounts to quantum-resistant cryptography.
• Algorand has outlined plans to introduce quantum-resistant accounts by 2027.

What the sources confirm

Sun confirmed on X that post-quantum cryptography is running on Tron's testnet. The broader context about other projects working on quantum resistance comes from Cointelegraph's reporting on those separate efforts. The AmericanFortress proposal is noted as published but not yet peer-reviewed.

What remains unclear

There is no confirmed date for when Tron will activate post-quantum cryptography on its mainnet. Sun's statement that deployment is ready "at any time" does not indicate a specific schedule. Additionally, there is no publicly available technical detail from the source describing the specific cryptographic method Tron is using or how it has been tested on testnet. The AmericanFortress approach is separate from Tron's and should not be assumed to be the same technology.

Why this matters for crypto users

Most blockchain networks, including Bitcoin and Ethereum, rely on elliptic-curve cryptography to secure transactions and wallet access. If sufficiently powerful quantum computers become available, they could potentially break this type of encryption. Projects that implement post-quantum cryptography aim to stay secure even after quantum computers reach that capability.

Sources

• Cointelegraph