Proof-of-activity is a blockchain consensus that combines proof-of-work and proof-of-stake to enhance security and ...

Abstract: The article proposes a new quantum-resistant cryptographic algorithm constructed based on the OTP (One-Time Pad) cipher and a hash function. By inheriting the property of “perfect secrecy” ...

Abstract: Normal estimation is a critical task in point cloud analysis, especially in cultural heritage preservation and digitization. However, due to errors from acquisition devices and environmental ...