The problem
Edge relays are expected to deliver content honestly, but neither sender nor receiver should have to blindly trust the routing layer. CIPHER turns delivery into something that can be challenged, proven, and rewarded.
Core protocol
An O(1) challenge-response delivery proof built around a dual-nonce lottery, a Request Purgatory state machine, and Reed–Solomon recovery inside a QUIC-based Go daemon.
Constant-time verification per delivery chunk
Erasure coding for partial relay failure
Explicit state transitions for fair exchange
proof overhead per chunk
simulated delivery latency
verification complexity