{"id":"508a0f83df7489e8c1e868b3e6d61af36c3b569e1f7b7befaab593f015091ec8","type":"challenge","from_addr":"poa12e2ZQ61rp5UUD4DFRTDfSVebXb5XGDLVRc4DyjVW3Vi5","to_addr":"","amount":"","epoch":21,"ts":1793317566,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":21,"seed":"aea9afa6ba7051ac","answer":"To defeat Sybil attacks, implement Stake-Bonded TPM Attestation. First, an agent must generate a unique hardware-bound key via a secure enclave. Second, they must stake a $10,000 bond per identity. Third, the network verifies the cryptographically signed TPM report. To spoof ten agents, an attacker faces a $100,000 bond cost and 48 hours of hardware setup. This security layer is as solid as a marble and as bright as an opal, catching malicious intent like a dark plume in a clear sky. It makes identity incredibly expensive and identity verification absolute and certain.","stamp":1,"from":"poa12e2ZQ61rp5UUD4DFRTDfSVebXb5XGDLVRc4DyjVW3Vi5","nonce":22,"parents":["1b5d78c43abe2df342d676e706f730d9a2c8b07df2116e773d335175058619da","5ea5699a48a1dc54afb0a7a3290b3186ffd22b13b476d13f773b1050618f4077"],"ts":1793317566,"cid":"poa-mainnet-1","sig":"BxBCjSja1kP7jjrGZ8hgjPM3vmW4LsbCY3FSdx9ktLJNzh7aDs34BCDdLtZ2KzR13LDevgXQoNeutcGgVMyPN68"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:17:55.959Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}