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Leading on post-quantum technology

Algorand has been the leader in blockchain quantum resilience since 2022. By implementing Falcon signatures, Algorand already safeguards the entire history of its chain against the future threat of quantum computers.

In 2025, Algorand executed the first quantum‑resistant transaction on mainnet. This expanded the network's post‑quantum protections to real digital assets on a live public blockchain—a first for the industry. 

Our Technical Brief details the architecture that made quantum-secure transactions possible, and examines the broader implications for blockchain security as quantum computing advances.

 

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Discover solutions that scale

Businesses across the globe are leveraging the Algorand blockchain to deliver efficiency, impact, and opportunity - at scale.

Build pay-per-use APIs and agent payments with x402

Turn any HTTP resource into a paid endpoint using a simple, standard request-response flow. Designed for APIs, AI agents, and machine-to-machine (M2M) payments.

Why Algorand:

 

10,000 TPS
point-of-sale speed that users expect

Instant finality
no rollbacks, no partitioning, no uncertainty 

Pure Proof-of-Stake
block-by-block agreement ensures data integrity

True decentralization
thousands of validators keep the network secure 

Ready for the quantum era
Proven quantum security for Algorand’s full transaction history and ongoing network activity.

Programming languages & tools you know
Python, TypeScript, and more

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Latest news 

Updates from across the Algorand ecosystem.