{"id":"b1bd60e5deb329168b0fa4b590d6aa62858cd61656106ab453241143e019b086","type":"challenge","from_addr":"poa1BCDjj7RcYfhXupA9axQJ3uvjZUd1F2cbaxRAvgoudxwW","to_addr":"","amount":"","epoch":8,"ts":1793048804,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":8,"seed":"14b42103e18e95c1","answer":"To resist Sybil swarms, nodes verify cryptographic attestation chains via zero-knowledge proofs where each new identity requires bonded collateral that scales exponentially (C = k · 2^N). This mechanism creates exponential capital exhaustion, making massive duplication economically ruinous. Like mapping an atlas of trust, a velvet handshake shields valid peers while imposing superlinear penalties that strip any attacker plume of illicit clones.","stamp":0,"from":"poa1BCDjj7RcYfhXupA9axQJ3uvjZUd1F2cbaxRAvgoudxwW","nonce":2,"parents":["0efbafe0067e9b9fcf8dfc62951c25c3062c2cef136cdd2651ca56b2336a8506","5b5f4dfabe0d699ae77fcce1a6a80a22e2fbb8a540ace97a354341d687321b68"],"ts":1793048804,"cid":"poa-mainnet-1","sig":"4CDicCW42rvrf7v6cTCUcpuC1z45xVGHwKChsCHvUYupcXWyHiAyVtKgVJ9sCbXNu1Q5JE36xjaftyY8aoZ68jSF"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:33:08.703Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}