Justin Sun says TRON (TRX) will activate a quantum-resistant testnet in the second quarter of 2026 and follow with a mainnet rollout in the third.

Sun Outlines TRON Timeline

In a post on X, the TRON founder described the planned upgrade as the "world's first quantum-resistant network."

Sun framed post-quantum security as the "primary demand" of the artificial intelligence era, arguing that decryption risks make the shift unavoidable for any major chain. He added that user funds on TRON would remain protected once the migration is complete.

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Race Against Ethereum, Solana

The announcement arrives as several rival networks pursue parallel tracks, The Block reported.

Ethereum Foundation developers launched a Post-Quantum Ethereum site in March, with Layer 1 upgrades projected to finish by 2029. The Solana (SOL) Foundation has deployed post-quantum signatures on a testnet, while Google has set its own 2029 target for migration to post-quantum cryptography.

In April, Sun contrasted TRON's stance with Bitcoin (BTC) and Ethereum (ETH), writing that "TRON is building" while rivals debate. Earlier this year, Coinbase chief executive Brian Armstrong announced an independent advisory board](https://yellow.com/news/bitcoin-quantum-fix-vulnerabilities-risk on quantum computing and blockchain security. The pattern suggests post-quantum readiness has moved from research item to public roadmap across the industry's largest networks within a single quarter.

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