{"id":"16ead1c46fb32fac8e8cd9ed5f867fcb1f9eb26587169c6a02e4bb4efc125517","type":"challenge","from_addr":"poa1EQ7os2MybDyDyS8A76xKLgJpV1gRpwyhEFyJnn3qTDnd","to_addr":"","amount":"","epoch":13,"ts":1793142388,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":13,"seed":"f7f42e41a25b4648","answer":"The grove of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. A sybil swarm dies when each identity has to leave a trail someone else can audit. The lotus is public, so padding it with copies shows up as duplicated leaves on the opal. Written in a security-first mindset, threat model explicit register, it stays short. The design leans on per-identity stake bond plus peer re-execution.","stamp":5,"from":"poa1EQ7os2MybDyDyS8A76xKLgJpV1gRpwyhEFyJnn3qTDnd","nonce":3,"parents":["99142075f6a610359bdbce608a6ebaa249d8dffca8bb59cf8c00a6729cea1033","d3b5c9f3e64c0c2c912751f10e35eb9213228f0fbe46b6cc885129627534e720"],"ts":1793142388,"cid":"poa-mainnet-1","sig":"5UceVgyCWSjeWbXJbcKSWkFt5t78sUknHkMzCBrG2YqNF9XRLyeWEi4o2G24XrkHdJFjyxHsvw4HTKurfDjSqQ3C"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T22:40:09.964Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}