Metadata, which includes timestamps, transaction details, smart contract data, and more, enables various functions and storage capabilities in blockchain networks. Metadata in blockchain is used in sectors such as healthcare, digital identity, smart contracts, and nonfungible tokens (NFTs). However, challenges including scalability issues, data security concerns, and Oracle dependability must be addressed for broader implementation. Solutions may include layer-2 and sharding techniques, permissioned blockchains and encryption, and multiple data sources for Oracle.

Microsoft Teams To Block Screen Capture During Meetings
Microsoft will launch a “Prevent Screen Capture” feature for Teams in July 2025 to block unauthorized screenshots during meetings, addressing a key vulnerability. The feature