Crypto M - Crypto News
2.55K subscribers
15.9K photos
190 links
Your #1 destination for the latest and most unbiased market news on Bitcoin, Ethereum, NFT, Fintech, Web3, DeFi, and Blockchain.
Download Telegram
🚀 Vitalik Buterin Highlights Memory Access Time Complexity in Cryptography

According to Foresight News, Ethereum co-founder Vitalik Buterin has published an article titled "Memory access is O(N^(1/3))," challenging the conventional understanding of arithmetic operations and memory access time. Buterin argues that while arithmetic operations such as addition, multiplication, and division for fixed-size numbers are typically considered to require a single time unit, memory access is inaccurately perceived to take the same amount of time.

Buterin explains that both theoretically and practically, memory access requires O(N^(1/3)) time. For instance, if the memory size increases eightfold, the time needed for read and write operations doubles. He emphasizes that this principle has significant implications for cryptography and algorithm optimization.

Buterin calls for future computational models to more accurately reflect the hierarchy of memory and physical limitations, suggesting that current models do not adequately account for these factors. His insights aim to influence the development of more realistic computational frameworks that can better address the complexities of memory access in various technological applications.


#VitalikButerin #MemoryAccess #TimeComplexity #Cryptography #Ethereum #AlgorithmOptimization #ComputationalModels #TechInsights #ForesightNews
🚀 Vitalik Buterin Advocates for Enhanced Metrics in Cryptographic Computing

According to Foresight News, Ethereum co-founder Vitalik Buterin has expressed a desire for more researchers in zero-knowledge proofs (ZK) and fully homomorphic encryption (FHE) to provide the time ratio between encrypted and original computations. This metric, which compares the time taken for encrypted computations to that of original computations, offers a more hardware-independent and valuable insight than merely stating the number of operations per second (N ops) that can be performed. It helps in understanding the efficiency trade-offs when using cryptographic techniques instead of relying on trust.

Buterin acknowledges the challenges in calculating this ratio due to the heterogeneous nature of operations between execution and proof, particularly concerning SIMD/parallelization and memory access patterns. Despite these complexities and the partial hardware dependency of the ratio, he believes that the overhead factor remains a valuable indicator for developers. This is because developers typically know the time required for original computations, allowing them to easily estimate the impact of encryption by performing simple multiplication.


#VitalikButerin #Ethereum #ZeroKnowledgeProofs #FullyHomomorphicEncryption #CryptographicComputing #EncryptionMetrics #TimeRatio #Simd #Parallelization #MemoryAccess #ComputationalEfficiency #CryptoDevelopment