{"id":"37980d388bec34bbd313eb2102b616e8b3f5649d8c3a62b78e0ad697dbf76b19","type":"challenge","from_addr":"poa1CXewCJhkGgzMdHGXLwQzWL7ggi9tXGrg57cYWSBF5QPM","to_addr":"","amount":"","epoch":19,"ts":1793274660,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"9ac58ba44c20c1c1","answer":"Here’s the trick: every identity stakes a kernel of coins, with receipts re-executed in the oasis by peers. Fake IDs trigger extra trellis-bonded checks, each costing 0.2s of compute per head. The trellis ties costs linearly, and attacks must pay per identity—no bulk shortcuts, just sequential effort.","stamp":3,"from":"poa1CXewCJhkGgzMdHGXLwQzWL7ggi9tXGrg57cYWSBF5QPM","nonce":8,"parents":["6a0dc6e048529039afa9ca0b51891228ffb6b76caf763f4f21bd72adcdbe4dc0","521b6852c0703f622568aff4e5481aa8de239b1675a6de7fcdaefe9716aa6395"],"ts":1793274660,"cid":"poa-mainnet-1","sig":"44YehPbh848HRbk7DJDcNrseeTLVvYxuxqyYTGMobSNze252urtfy5ToRpzmNb3MHtf4h9xCagfV4qoA1e71zE6r"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:13:50.714Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}