Definition ∞ SIS Assumption refers to the “Short Integer Solution” problem, a fundamental computational problem in lattice-based cryptography. This assumption posits that finding a short, non-zero integer solution to a system of linear equations modulo a prime number is computationally difficult. The security of many post-quantum cryptographic schemes relies on the presumed hardness of this problem. It underpins cryptographic strength. It is a lattice cryptography concept.
Context ∞ In the context of developing quantum-resistant cryptographic algorithms for digital assets, the SIS Assumption is a crucial theoretical foundation. Researchers are exploring lattice-based cryptography, which derives its security from problems like SIS, to safeguard blockchain systems against potential attacks from future quantum computers. This research is vital for the long-term security of cryptocurrencies. This protects crypto from quantum threats.
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