Free speech has migrated from the left to the right, but the deeper pattern is that every government abandons it once in power. From jailings over posts in Britain to age-verification mandates in Australia, the real threat is identity infrastructure that makes anonymity—and dissent—impossible.

Encryption underpins free expression, dissent, and the safety of journalists, activists, and ordinary people alike. This series builds a secure messaging system from scratch, starting with the case for doing so.

Extending our Tokio actor framework with supervision hierarchies, panic recovery, and 'let it crash' semantics using CancellationToken, restart loops, escalation channels, and lifecycle callbacks.