
Justin Sun, founder of the Tron blockchain, says the network has activated post-quantum cryptography on its testnet and could deploy the technology to mainnet when it is ready. The announcement places Tron among blockchain projects preparing for a future in which sufficiently powerful quantum computers could threaten existing digital-asset security.
Sun outlines Tron’s quantum-security plans
In a post on X on Saturday, Sun said Tron was closely monitoring developments in quantum computing and artificial intelligence. He added that the network was “ready to bring quantum resistance to mainnet at any time.”
Sun also said Tron was committed to protecting user assets and aimed to become one of the few major blockchains to achieve quantum resistance before “Q-Day” — the point at which quantum computers could break current security standards.
The statement indicates that the technology is currently being tested rather than operating across Tron’s mainnet. A testnet is a blockchain environment used to trial network changes before they are introduced to the live network. Sun did not provide a mainnet launch date in the material available.
Why quantum resistance matters for blockchains
Many blockchain networks use elliptic-curve cryptography to help secure accounts and transactions. The source material says developers are increasingly examining alternatives because sufficiently powerful quantum computers may eventually be able to break that form of protection, potentially exposing assets secured by current cryptographic standards.
Post-quantum cryptography refers to security methods designed to withstand attacks from quantum computers while continuing to protect digital communications and assets. For cryptocurrency networks, implementing such systems can involve changes to wallets, account structures or transaction processes.
The issue has become a wider industry concern. Earlier this year, a consortium led by Strategy pledged $15 million for research into Bitcoin’s quantum security. The Ethereum Foundation published a proposal for moving accounts to quantum-resistant cryptography, while Algorand set out plans to introduce quantum-resistant accounts by 2027.
A separate approach seeks to preserve wallet addresses
Cointelegraph, citing a July 28 report from CoinDesk, also reported that blockchain security company AmericanFortress had presented a plan for protecting crypto wallets from future quantum attacks without requiring users to transfer funds, rotate keys or change wallet addresses.
AmericanFortress said its approach would allow existing wallet addresses to remain in place while adding post-quantum protection. The proposal was published in a technical paper on the Cryptography ePrint Archive, although the paper had not been peer-reviewed.
That approach is separate from Sun’s announcement about Tron’s testnet. The available material does not specify whether Tron’s implementation uses the AmericanFortress proposal or another cryptographic design.
Current market picture
Moneyiar market data at 11:39 a.m. on Oct. 11, 2026, shows TRON (TRX) at $0.3303106115, down 0.2% over 24 hours and 1.73% over seven days. JUST (JST) was $0.1361970471, down 1.15% in 24 hours and 2.52% over seven days.
Quant (QNT) stood at $242.6690545706, down 2.52% over 24 hours and 5.99% over seven days. SUN was $0.0168221325, down 0.29% over 24 hours and 1.97% over seven days, according to Moneyiar data at 11:39 a.m. on Oct. 11, 2026.