- Algorand will implement Falcon signatures across a selection of services.
- In most cases, the validity of a signature is verified using a signing algorithm.
Designing and implementing a cryptographic algorithm is a complex technical effort, and the difficulty multiplies when the method must be protected against Quantum attacks.
In most cases, the validity of a signature is verified using a signing algorithm. Even on older systems, traditional techniques may be used to deduce this signature key from the content of previously signed messages.
In response to the proliferation of Quantum computers, the National Institute of Standards and Technology (NIST) in the U.S. held a worldwide competition to encourage the most brilliant minds in the field to design cryptographic algorithms that are impenetrable to Quantum assaults.
Quantum Secured
Cryptographers and scientists from all around the globe submitted over fifty potential algorithms. The winners of this competition, a set of cryptographic standards that should be Quantum secure, were just revealed after almost six years of intensive cryptanalysis, inspection, and testing. The Algorand developers Craig Gentry, Chris Peikert, and Vinod Vaikuntanathan created one of the selected algorithms called Falcon.
Falcon is effective because it uses a more stringent way of choosing a valid signature without disclosing the signing key. Moreover, the Falcon team is pleased to provide the first blockchain with a quantum-safe digital signature system.
In addition, Algorand will implement Falcon signatures across a selection of services. State Proofs, the most recent technical advancement of the Algorand blockchain, rely heavily on them. Recently, Algo Foundation CTO John Woods shed more light on the importance of protection against Quantum attacks and how Falcon plays its role.
FALCON TO THE RESCUE!
@algorand is known for its robust and reliable #blockchain – almost 4 years running, 1 billion transactions under its belt and zero downtime.
But innovation is our thing, as our CTO @JohnAlanWoods talks about quantum security!https://t.co/yVJbncGWye
— Ⱥlgorand Foundation (@AlgoFoundation) April 2, 2023
To avoid future forks in the chain caused by the introduction of Quantum computers, State Proofs allow the Algorand blockchain to function in a decentralized manner with other blockchains.
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