An article discussing IPv6 addressing challenges for space networking. It outlines how current terrestrial IPv6 mechanisms fail at interplanetary scales and proposes the EXPANSE working group to address fourteen identified gaps, including lack of registration models, inefficient Earth-centric routing, and jurisdictional fragmentation in space infrastructure.
Signal is implementing phone-number-free registration using zero-knowledge proofs, a cryptographic technique that verifies user information like username validity without revealing content. The feature raises questions about privacy, account unlinking, and spam prevention among users discussing the upcoming Android release.