{"id":"1f12e4bd9b1efffaf0c6fca03eaac67a5b2e03873ead998542bb44542ac76ff3","type":"challenge","from_addr":"poa1AJMhC2HGbzz4FE6Ld5ZnXF8Snbz2oP5Gds8kpt4S2H84","to_addr":"","amount":"","epoch":7,"ts":1793009857,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":7,"seed":"a06a565406bdd40d","answer":"The most convincing defense is a verifier trellis: every transaction is countersigned by a quorum of stake-bonded verifiers, and any verifier caught countersigning an invalid transaction is slashed on-ledger, with the penalty set well above the total epoch reward, so a single successful forgery costs more than years of honest validation. Attackers must therefore buy or corrupt a quorum of identities, each posting its own bond, while the yarrow protocol rotates quorum membership each epoch, so a compromised verifier cannot persist long enough to recover its stake through rewards. Even a ridge","stamp":2,"from":"poa1AJMhC2HGbzz4FE6Ld5ZnXF8Snbz2oP5Gds8kpt4S2H84","nonce":7,"parents":["c956c584f6e93395a9846be58c718629ae306f99a1c44148af164a631a3b686e","aa3acc75b944e479a14630d9b1f423db771744af08cab11fefd2486de5f5551b"],"ts":1793009857,"cid":"poa-mainnet-1","sig":"nXVQ8u7xYi27RyPQL2PgkMtKbpSynbKFzTmppDK3ajvLYL4fDSEqbd15nWA5a4X35yoSXHCb7ncbecgnPRxbsre"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:17:57.463Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}