Quantum computing has moved from theory to practice: a record of 813 logical qubits was recently set. That doesn't mean 'Q-day' (when quantum computers can break modern cryptography) is tomorrow, but the industry must prepare. This is especially relevant for stablecoins like USDC, which process billions of dollars daily.

Why it matters for stablecoin users

If you hold USDT or USDC, your funds are protected by cryptography that could theoretically be broken by a sufficiently powerful quantum computer. However, as Circle notes, the security of the entire USDC ecosystem depends not only on the token itself but on all participants: underlying blockchains, wallets, bridges, and exchanges. If one link is vulnerable, everything could be at risk.

What to do now

  • Stay updated: Circle and other stablecoin issuers are already working on quantum-resistant solutions. Make sure your wallets and exchanges support these updates.
  • Choose networks wisely: When transferring USDT or USDC, pay attention to fees and speed. TRC-20 (Tron) is usually faster and cheaper than ERC-20 (Ethereum), but security depends on the network. Until quantum threat materializes, both are considered safe.
  • Don't panic: Q-day is not tomorrow. But the sooner the industry moves to quantum-resistant algorithms, the safer your funds will be.

Conclusion

The quantum threat is not a reason to panic but to stay vigilant. Follow news from Circle and other issuers, update your wallets, and remember that the security of your stablecoins depends on the entire chain. Meanwhile, you can continue using stablecoins for paying international services and transfers, choosing optimal networks based on speed and fees.

This article is not financial advice. Cryptocurrencies and stablecoins carry risks, including potential losses. Always do your own research.

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Sources

This material is for informational purposes only and is not financial advice. Data and service terms may change, so check primary sources before making a payment or investment decision. Mentions of third-party brands and services do not imply official partnership, support, or endorsement by VirtCardPay.
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