What Is Proof-of-Activity? How This Blockchain Consensus Works

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

DuckDB ClickHouse SQL extension

Once installed, the macro functions provided by the extension can be used just like built-in functions. DuckDB SQL is awesome and full of great functions. ClickHouse SQL is awesome and full of great ...

Password managers’ promise that they can’t see your vaults isn’t always true

All eight of the top password managers have adopted the term “zero knowledge” to describe the complex encryption system they use to protect the data vaults that users store on their servers. The ...
IEEE

Detection of NFT Duplications with Image Hash Functions

Abstract: Non-fungible tokens (NFTs) are digital assets representing ownership or proof of authenticity of a unique item. NFTs are blockchain-based and rely on smart contracts. The increase in ...
IEEE

Security Evaluation of a Novel MAC Based on Hash Functions and 6D Chaotic Maps

Abstract: In information systems and computer networks, the Hash Message Authentication Code (HMAC) algorithm is a crucial security mechanism widely utilized to ensure authentication and data ...