March 20 in Technology History: Standards, Patents and Breakthroughs
2025
On 20 March, W3C published as a Proposed Recommendation a specification on securing Verifiable Credentials using JOSE and COSE, enabling deployment paths that reuse established JWT and COSE tooling.
2025
On 20 March, W3C announced Proposed Recommendation publication of Controlled Identifiers v1.0, describing identifier documents that convey cryptographic material and service endpoints for decentralized identity ecosystems.
2025
On 20 March, W3C announced Proposed Recommendation publication of Bitstring Status List v1.0, specifying a privacy-preserving and space-efficient mechanism to publish credential status such as revocation or suspension.