Blockchain network Algorand has laid out a plan to protect itself against a future threat that doesn't fully exist yet: powerful quantum computers capable of breaking the cryptography that secures today's digital systems.
According to CoinDesk, Algorand has unveiled a roadmap for post-quantum security, with the goal of reaching that protection by the end of 2027. A separate report framed the same effort as achieving "quantum resistance by 2028," so the precise finish line is described slightly differently across coverage, but the direction is the same: move the network onto cryptography that quantum machines cannot easily crack.
The stakes are straightforward. Most blockchains, and much of the modern internet, rely on encryption methods that a sufficiently advanced quantum computer could theoretically defeat. That would put wallets, transactions, and stored assets at risk. "Post-quantum" or "quantum-resistant" cryptography refers to newer techniques designed to hold up even against that kind of computing power.
According to CoinDesk, the announcement reflects a growing recognition across the crypto industry that switching to quantum-resistant cryptography is not a quick fix. The transition could take years and requires changes not just to user wallets but to other parts of the system as well — a reminder that upgrading a live, decentralized network is a slow, coordinated undertaking rather than a single software patch.
Why it matters: even though practical code-breaking quantum computers may still be years away, the industry is treating the upgrade as urgent — because the work of future-proofing a blockchain has to begin long before the threat actually arrives.