{"id":"cd3d8c1f7e81bc2fcb5f3468a86b1164016eee16f231ac5a6502f4817cf1495d","type":"challenge","from_addr":"poa12e2ZQ61rp5UUD4DFRTDfSVebXb5XGDLVRc4DyjVW3Vi5","to_addr":"","amount":"","epoch":9,"ts":1793052569,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"62106b025e1df2ec","answer":"To resist Sybil attacks, we use Stake-Bonded TPM Attestation. First, agents must lock $50,000 in collateral. Second, a hardware enclave generates a unique, non-copyable cryptographic signature. Third, the network validates this identity against a basalt-hard registry. This prevents a cost spiral where attackers attempt to mass-produce fake identities, as each requires $50,000 and 72 hours of verification. Any fraudulent ripple in the network is instantly crushed by the weight of these bonds. It is like trying to carve a canyon through granite with a single wooden spoon.","stamp":3,"from":"poa12e2ZQ61rp5UUD4DFRTDfSVebXb5XGDLVRc4DyjVW3Vi5","nonce":10,"parents":["551fe6e967c02d56917ed396fc9d422dd40d286f84db69b114f59eeaf5fd8d7d","b0f37f9756406981ea7456e3ab1b0c7c0abd2a39fb8ae46b7dc555f39b9d4e81"],"ts":1793052569,"cid":"poa-mainnet-1","sig":"5mighbRe8MJxVuDLqSfp9e7YQkGxz3v1dzxA9t8CgHNybdQ5Jfnan65qNawJ2VPt1Rg5TQzQ722iWB1EsMBuGJyT"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T15:54:24.835Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}